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@Manual{gnuR,
  Title = {{{\gnuR}: A Language and Environment for Statistical Computing}},

  Address = {{Vienna, Austria}},
  Author = {{{\gnuR} Core Team}},
  Organization = {{{\gnuR} Foundation for Statistical Computing}},
  Year = {2014},

  Url = {http://www.R-project.org/}
}

@Article{Adams+Wilson+Wang:1997,
  Title = {{The Multidimensional Random Coefficients Multinomial Logit Model}},
  Author = {Adams, R. J. and Wilson, M. and Wang, Wen-chung},
  Journal = {{Applied Psychological Measurement}},
  Year = {1997},
  Number = {1},
  Pages = {1--23},
  Volume = {21},

  Doi = {10.1177/0146621697211001}
}

@InCollection{And:95,
  Title = {{Polytomous Rasch Models and their Estimation}},
  Author = {Andersen, Erling Bernhard},
  Booktitle = {{Rasch Models: Foundations, Recent Developments, and Applications}},
  Publisher = {Springer},
  Year = {1995},

  Address = {New York},
  Editor = {Fischer, Gerhard H. and Molenaar, Ivo W.},
  Pages = {271--292},

  Doi = {10.1007/978-1-4612-4230-7_15}
}

@InCollection{And:83,
  Title = {A General Latent Structure Model for Contingency Table Data},
  Author = {Andersen, Erling Bernhard},
  Booktitle = {Principals of Modern Psychological Measurement},
  Publisher = {Erlbaum},
  Year = {1983},

  Address = {Hillsdale, NJ},
  Editor = {H. Wainer and S. Messik},
  Pages = {117--138}
}

@Article{And:73,
  Title = {{A goodness of fit test for the Rasch model}},
  Author = {Andersen, Erling Bernhard},
  Journal = {{Psychometrika}},
  Year = {1973},
  Number = {1},
  Pages = {123--140},
  Volume = {38},

  Doi = {10.1007/BF02291180}
}

@Article{And:72,
  Title = {{The Numerical Solution of a Set of Conditional Estimation Equations}},
  Author = {Andersen, Erling Bernhard},
  Journal = {{Journal of the Royal Statistical Society. Series B (Methodological)}},
  Year = {1972},
  Number = {1},
  Pages = {42--54},
  Volume = {34},

  Url = {http://www.jstor.org/stable/2985049}
}

@Article{Andersen:1970,
  Title = {{Asymptotic Properties of Conditional Maximum-Likelihood Estimators}},
  Author = {Andersen, Erling Bernhard},
  Journal = {{Journal of the Royal Statistical Society. Series B (Methodological)}},
  Year = {1970},
  Number = {2},
  Pages = {283--301},
  Volume = {32},

  Url = {http://www.jstor.org/stable/2984535}
}

@Article{CAnd:07,
  Title = {{Estimation of Models in a Rasch Family for Polytomous Items and Multiple Latent Variables}},
  Author = {Anderson, Carolyn J. and Li, Zhushan and Vermunt, Jeroen K.},
  Journal = {{Journal of Statistical Software}},
  Year = {2007},
  Number = {6},
  Pages = {1--36},
  Volume = {20},

  Url = {http://www.jstatsoft.org/v20/i06/}
}

@Book{Andrich:88,
  Title = {{Rasch Models for Measurement}},
  Author = {Andrich, David},
  Publisher = {Sage Publications},
  Year = {1988},

  Address = {Newbury Park, CA},
  Series = {{Quantitative Applications in the Social Sciences}},
  Volume = {68}
}

@Article{And:78,
  Title = {{A rating formulation for ordered response categories}},
  Author = {Andrich, David},
  Journal = {{Psychometrika}},
  Year = {1978},
  Number = {4},
  Pages = {561--573},
  Volume = {43},

  Doi = {10.1007/BF02293814}
}

@Book{BaKi:04,
  Title = {Item Response Theory: Parameter Estimation Techniques},
  Author = {Baker, F. B. and Kim, S.},
  Publisher = {Dekker},
  Year = {2004},

  Address = {New York},
  Edition = {2nd}
}

@InCollection{Birnbaum:1968,
  Title = {Some latent trait models and their use in inferring an examinee's ability},
  Author = {Birnbaum, A.},
  Booktitle = {Statistical theories of mental test scores},
  Publisher = {Addison-Wesley},
  Year = {1968},

  Address = {Reading, MA},
  Editor = {F. M. Lord and M. R. Novick},
  Pages = {395--479}
}

@Article{Bock+Aitkin:1981,
  Title = {{Marginal maximum likelihood estimation of item parameters: Application of an EM algorithm}},
  Author = {Bock, R. Darrell and Aitkin, Murray},
  Journal = {{Psychometrika}},
  Year = {1981},
  Number = {4},
  Pages = {443--459},
  Volume = {46},

  Doi = {10.1007/BF02293801}
}

@Article{Bor:06,
  Title = {{The attack of the psychometricians}},
  Author = {Borsboom, Denny},
  Journal = {{Psychometrika}},
  Year = {2006},
  Number = {3},
  Pages = {425--440},
  Volume = {71},

  Doi = {10.1007/s11336-006-1447-6}
}

@Book{deBoeck+Wilson:2004,
  Title = {{Explanatory item response models: A generalized linear and nonlinear approach}},
  Author = {{de Boeck}, P. and Wilson, M.},
  Publisher = {Springer},
  Year = {2004},

  Address = {New York}
}

@Article{LeVe:86,
  Title = {{Maximum Likelihood Estimation in Generalized Rasch Models}},
  Author = {{de Leeuw}, J. and Verhelst, N.},
  Journal = {{Journal of Educational Statistics}},
  Year = {1986},
  Number = {3},
  Pages = {183--196},
  Volume = {11},

  Doi = {10.3102/10769986011003183}
}

@InCollection{Fisch:95a,
  Title = {{Derivations of the Rasch Model}},
  Author = {Fischer, Gerhard H.},
  Booktitle = {{Rasch Models: Foundations, Recent Developments, and Applications}},
  Publisher = {Springer},
  Year = {1995},

  Address = {New York},
  Editor = {Fischer, Gerhard H. and Molenaar, Ivo W.},
  Pages = {15--38},

  Doi = {10.1007/978-1-4612-4230-7_2}
}

@InCollection{Fisch:95b,
  Title = {{Linear Logistic Models for Change}},
  Author = {Fischer, Gerhard H.},
  Booktitle = {{Rasch Models: Foundations, Recent Developments, and Applications}},
  Publisher = {Springer},
  Year = {1995},

  Address = {New York},
  Editor = {Fischer, Gerhard H. and Molenaar, Ivo W.},
  Pages = {157--180},

  Doi = {10.1007/978-1-4612-4230-7_9}
}

@InCollection{Fischer:1988,
  Title = {Spezifische \uppercase{O}bjektvität: \uppercase{E}ine wissenschaftstheoretische \uppercase{G}rundlage des \uppercase{R}asch-\uppercase{M}odells [\uppercase{S}pecific objectivity: \uppercase{A}n epistemological foundation of the \uppercase{R}asch model]},
  Author = {Fischer, Gerhard H.},
  Booktitle = {{Moderne Testtheorie: Ein Abriss samt neuesten Beiträgen}},
  Publisher = {Beltz},
  Year = {1988},

  Address = {Weinheim},
  Editor = {Kubinger, Klaus D.},
  Pages = {87--111}
}

@InCollection{Fisch:77,
  Title = {Linear Logistic Trait Models: Theory and Application},
  Author = {Fischer, Gerhard H.},
  Booktitle = {Structural Models of Thinking and Learning},
  Publisher = {Huber},
  Year = {1977},

  Address = {Bern},
  Editor = {H. Spada and W. F. Kempf},
  Pages = {203--225}
}

@Article{Fischer:1987,
  Title = {{Applying the principles of specific objectivity and of generalizability to the measurement of change}},
  Author = {Fischer, Gerhard H.},
  Journal = {{Psychometrika}},
  Year = {1987},
  Pages = {565-587},
  Volume = {52},

  Doi = {10.1007/BF02294820}
}

@Article{Fischer:1981,
  Title = {{On the existence and uniqueness of maximum-likelihood estimates in the Rasch model}},
  Author = {Fischer, Gerhard H.},
  Journal = {{Psychometrika}},
  Year = {1981},
  Number = {1},
  Pages = {59--77},
  Volume = {46},

  Doi = {10.1007/BF02293919}
}

@Book{Fisch:74,
  Title = {{Einführung in die Theorie psychologischer Tests [Introduction to Psychological Test Theory]}},
  Author = {Fischer, Gerhard H.},
  Publisher = {Huber},
  Year = {1974},

  Address = {Bern}
}

@Article{Fisch:73,
  Title = {{The linear logistic test model as an instrument in educational research}},
  Author = {Fischer, Gerhard H.},
  Journal = {{Acta Psychologica}},
  Year = {1973},
  Number = {6},
  Pages = {359--374},
  Volume = {37},

  Doi = {10.1016/0001-6918(73)90003-6}
}

@Article{FiPa:91,
  Title = {{An extension of the rating scale model with an application to the measurement of change}},
  Author = {Fischer, Gerhard H. and Parzer, P.},
  Journal = {{Psychometrika}},
  Year = {1991},
  Number = {4},
  Pages = {637--651},
  Volume = {56},

  Doi = {10.1007/BF02294496}
}

@InCollection{FischPonocny:95,
  Title = {{Extended Rating Scale and Partial Credit Models for Assessing Change}},
  Author = {Fischer, Gerhard H. and Ponocny, Ivo},
  Booktitle = {{Rasch Models: Foundations, Recent Developments, and Applications}},
  Publisher = {Springer},
  Year = {1995},

  Address = {New York},
  Editor = {Fischer, Gerhard H. and Molenaar, Ivo W.},
  Pages = {353--370},

  Doi = {10.1007/978-1-4612-4230-7_19}
}

@Article{FiPo:94,
  Title = {{An extension of the partial credit model with an application to the measurement of change}},
  Author = {Fischer, Gerhard H. and Ponocny, Ivo},
  Journal = {{Psychometrika}},
  Year = {1994},
  Number = {2},
  Pages = {177--192},
  Volume = {59},

  Doi = {10.1007/BF02295182}
}

@Book{FiPS:98,
  Title = {Structural Rasch Modeling: Handbook of the Usage of LPCM-WIN 1.0},
  Author = {Fischer, Gerhard H. and Ponocny-Seliger, E.},
  Publisher = {ProGAMMA},
  Year = {1998},

  Address = {Groningen}
}

@Article{FiSch:70,
  Title = {{Algorithmen und Programme für das probabilistische Testmodell von Rasch [Algorithms and programs for Rasch's probabilistic test model]}},
  Author = {Fischer, Gerhard H. and Scheiblechner, Hartmann},
  Journal = {{Psychologische Beiträge}},
  Year = {1970},
  Pages = {23--51},
  Volume = {12}
}

@InCollection{FiJr:92,
  Title = {Objectivity in Measurement: A Philosophical History of \uppercase{R}asch's Separability Theorem},
  Author = {Fisher Jr., W. P.},
  Booktitle = {Objective Measurement: Theory into Practice, Volume 1},
  Publisher = {Ablex},
  Year = {1992},

  Address = {Norwood, NJ},
  Editor = {M. Wilson},
  Pages = {29--60}
}

@InCollection{Glas:1992,
  Title = {A Rasch Model with a Multivariate Distribution of Ability},
  Author = {Glas, C. A. W.},
  Booktitle = {Objective Measurement: Theory into Practice, Volume 1},
  Publisher = {Ablex},
  Year = {1992},

  Address = {Norwood, NJ},
  Editor = {M. Wilson},
  Pages = {236--258}
}

@InCollection{Glas+Verhelst:1995a,
  Title = {{Testing the Rasch Model}},
  Author = {Glas, Cees A. W. and Verhelst, Norman D.},
  Booktitle = {{Rasch Models: Foundations, Recent Developments, and Applications}},
  Publisher = {Springer},
  Year = {1995},

  Address = {New York},
  Editor = {Fischer, Gerhard H. and Molenaar, Ivo W.},
  Pages = {69--96},

  Doi = {10.1007/978-1-4612-4230-7_5}
}

@InCollection{Glas+Verhelst:1995b,
  Title = {{Tests of Fit for Polytomous Rasch Models}},
  Author = {Glas, Cees A. W. and Verhelst, Norman D.},
  Booktitle = {{Rasch Models: Foundations, Recent Developments, and Applications}},
  Publisher = {Springer},
  Year = {1995},

  Address = {New York},
  Editor = {Fischer, Gerhard H. and Molenaar, Ivo W.},
  Pages = {325--352},

  Doi = {10.1007/978-1-4612-4230-7_18}
}

@Article{GlVe:89,
  Title = {{Extensions of the partial credit model}},
  Author = {Glas, C. A. W. and Verhelst, Norman D.},
  Journal = {{Psychometrika}},
  Year = {1989},
  Number = {4},
  Pages = {635--659},
  Volume = {54},

  Doi = {10.1007/BF02296401}
}

@Article{Gustafsson:1980,
  Title = {{Testing and obtaining fit of data to the Rasch model}},
  Author = {Gustafsson, J.-E.},
  Journal = {{British Journal of Mathematical and Statistical Psychology}},
  Year = {1980},
  Number = {2},
  Pages = {205--233},
  Volume = {33},

  Doi = {10.1111/j.2044-8317.1980.tb00609.x}
}

@Article{Haberman:77,
  Title = {{Maximum Likelihood Estimates in Exponential Response Models}},
  Author = {Haberman, Shelby J.},
  Journal = {{The Annals of Statistics}},
  Year = {1977},
  Number = {5},
  Pages = {815--841},
  Volume = {5},

  Url = {http://www.jstor.org/stable/2958512}
}

@Article{HatzingerRusch:2009:IRTwLLRA,
  Title = {{IRT Models with Relaxed Assumptions in {\pkg{eRm}}: A manual-like instruction}},
  Author = {Hatzinger, Reinhold and Rusch, Thomas},
  Journal = {{Psychological Science Quarterly}},
  Year = {2009},
  Number = {1},
  Pages = {87--120},
  Volume = {51}
}

@InCollection{Ho:95,
  Title = {{Linear and Repeated Measures Models for the Person Parameters}},
  Author = {Hoijtink, Herbert},
  Booktitle = {{Rasch Models: Foundations, Recent Developments, and Applications}},
  Publisher = {Springer},
  Year = {1995},

  Address = {New York},
  Editor = {Fischer, Gerhard H. and Molenaar, Ivo W.},
  Pages = {203--214},

  Doi = {10.1007/978-1-4612-4230-7_11}
}

@InCollection{Hoijtink+Boomsma:1995,
  Title = {{On Person Parameter Estimation in the Dichotomous Rasch Model}},
  Author = {Hoijtink, Herbert and Boomsma, Anne},
  Booktitle = {{Rasch Models: Foundations, Recent Developments, and Applications}},
  Publisher = {Springer},
  Year = {1995},

  Address = {New York},
  Editor = {Fischer, Gerhard H. and Molenaar, Ivo W.},
  Pages = {53--68},

  Doi = {10.1007/978-1-4612-4230-7_4}
}

@Article{Jannarone:1986,
  Title = {{Conjunctive item response theory kernels}},
  Author = {Jannarone, Robert J.},
  Journal = {{Psychometrika}},
  Year = {1986},
  Number = {3},
  Pages = {357--373},
  Volume = {51},

  Doi = {10.1007/BF02294060}
}

@InCollection{Kubinger:1989,
  Title = {Aktueller \uppercase{S}tand und kritische \uppercase{W}ürdigung der \uppercase{P}robabilistischen \uppercase{T}esttheorie [\uppercase{C}urrent status and critical appreciation of probabilistic test theory]},
  Author = {Kubinger, Klaus D.},
  Booktitle = {{Moderne Testtheorie: Ein Abriss samt neuesten Beiträgen}},
  Publisher = {Beltz},
  Year = {1989},

  Address = {Weinheim},
  Editor = {Kubinger, Klaus D.},
  Pages = {19--83}
}

@Article{Kub:05,
  Title = {{Psychological Test Calibration Using the Rasch Model---Some Critical Suggestions on Traditional Approaches}},
  Author = {Kubinger, Klaus D.},
  Journal = {{International Journal of Testing}},
  Year = {2005},
  Number = {4},
  Pages = {377--394},
  Volume = {5},

  Doi = {10.1207/s15327574ijt0504_3}
}

@InCollection{Linacre:2004,
  Title = {{Estimation Methods for Rasch Measures}},
  Author = {Linacre, J. M.},
  Booktitle = {{Introduction to Rasch Measurement}},
  Publisher = {{JAM Press}},
  Year = {2004},

  Address = {Maple Grove, MN},
  Editor = {Smith, Everett V. and Smith, Richard M.},
  Pages = {25--48}
}

@Article{Li:94,
  Title = {{More on the Computation of Higher-Order Derivatives of the Elementary Symmetric Functions in the Rasch Model}},
  Author = {Liou, M.},
  Journal = {{Applied Psychological Measurement}},
  Year = {1994},
  Number = {1},
  Pages = {53--62},
  Volume = {18},

  Doi = {10.1177/014662169401800105}
}

@MastersThesis{Mair:2006,
  Title = {Simulation Studies for Goodness-of-Fit Statistics in Item Response Theory},
  Author = {P. Mair},
  School = {Department of Psychology, University of Vienna},
  Year = {2006}
}

@Article{Mair+Hatzinger:2007,
  Title = {{Extended Rasch Modeling: The {\pkg{eRm}} Package for the Application of IRT Models in {\gnuR}}},
  Author = {P. Mair and R. Hatzinger},
  Journal = {{Journal of Statistical Software}},
  Year = {2007},
  Number = {9},
  Pages = {1--20},
  Volume = {20},

  Url = {http://www.jstatsoft.org/v20/i09}
}

@Article{Mair+Hatzinger:2007b,
  Title = {{{\acronym{CML}} based estimation of extended Rasch models with the {\pkg{eRm}} package in {\gnuR}}},
  Author = {P. Mair and R. Hatzinger},
  Journal = {{Psychology Science}},
  Year = {2007},
  Number = {1},
  Pages = {26--43},
  Volume = {49}
}

@Article{Mast:82,
  Title = {{A Rasch model for partial credit scoring}},
  Author = {Masters, Geoff N.},
  Journal = {{Psychometrika}},
  Year = {1982},
  Number = {2},
  Pages = {149--174},
  Volume = {47},

  Doi = {10.1007/BF02296272}
}

@Article{Mi:85,
  Title = {{Estimation of Latent Group Effects}},
  Author = {Mislevy, Robert J.},
  Journal = {{Journal of the American Statistical Association}},
  Year = {1985},
  Number = {392},
  Pages = {993--997},
  Volume = {80},

  Doi = {10.1080/01621459.1985.10478215}
}

@InCollection{Molenaar:1995,
  Title = {{Estimation of Item Parameters}},
  Author = {Molenaar, Ivo W.},
  Booktitle = {{Rasch Models: Foundations, Recent Developments, and Applications}},
  Publisher = {Springer},
  Year = {1995},

  Address = {New York},
  Editor = {Fischer, Gerhard H. and Molenaar, Ivo W.},
  Pages = {39--51},

  Doi = {10.1007/978-1-4612-4230-7_3}
}

@InCollection{Pf:94,
  Title = {{On Item Parameter Estimation in Certain Latent Trait Models}},
  Author = {Pfanzagl, J.},
  Booktitle = {{Contributions to Mathematical Psychology, Psychometrics, and Methodology}},
  Publisher = {Springer},
  Year = {1994},

  Address = {New York},
  Editor = {Fischer, Gerhard H. and Laming, Donald},
  Pages = {249--263},

  Doi = {10.1007/978-1-4612-4308-3_19}
}

@Book{Poinstingl+Mair+Hatzinger:07,
  Title = {{Manual zum Softwarepackage {\eRm}: Anwendung des Rasch-Modells}},
  Author = {Poinstingl, H. and Mair, P. and Hatzinger, R.},
  Publisher = {{Pabst Science Publishers}},
  Year = {2007},

  Address = {Lengerich}
}

@Article{Ponocny:2002:ApplicabilitysomeIRT,
  Title = {{On the Applicability of some IRT Models for Repeated Measurement Designs: Conditions, Consequences, and Goodness-of-Fit Tests}},
  Author = {Ponocny, Ivo},
  Journal = {{Methods of Psychological Research Online}},
  Year = {2002},
  Number = {1},
  Pages = {21--40},
  Volume = {7},

  Url = {http://www.dgps.de/fachgruppen/methoden/mpr-online/issue16/art2/article.html}
}

@Article{Ponocny:2001,
  Title = {{Nonparametric goodness-of-fit tests for the Rasch model}},
  Author = {Ponocny, Ivo},
  Journal = {{Psychometrika}},
  Year = {2001},
  Number = {3},
  Pages = {437--460},
  Volume = {66},

  Doi = {10.1007/BF02294444}
}

@Article{Ra:77,
  Title = {On specific objectivity: An attempt at formalising the request for generality and validity of scientific statements},
  Author = {G. Rasch},
  Journal = {Danish Yearbook of Philosophy},
  Year = {1977},
  Pages = {58--94},
  Volume = {14}
}

@InCollection{Ra:61,
  Title = {On General Laws and the Meaning of Measurement in Psychology},
  Author = {Rasch, G.},
  Booktitle = {Proceedings of the IV. Berkeley Symposium on Mathematical Statistics and Probability, Vol. IV},
  Publisher = {University of California Press},
  Year = {1961},

  Address = {Berkeley},
  Pages = {321--333}
}

@Book{Ra:60,
  Title = {Probabilistic Models for some Intelligence and Attainment Tests},
  Author = {Rasch, G.},
  Publisher = {Danish Institute for Educational Research},
  Year = {1960},

  Address = {Copenhagen}
}

@Article{Riz:06,
  Title = {{{\pkg{ltm}}: An {\gnuR} Package for Latent Variable Modeling and Item Response Analysis}},
  Author = {Rizopoulos, Dimitris},
  Journal = {{Journal of Statistical Software}},
  Year = {2006},
  Number = {5},
  Pages = {1--25},
  Volume = {17},

  Url = {http://www.jstatsoft.org/v17/i05}
}

@InCollection{Rost:2001,
  Title = {{The Growing Family of Rasch Models}},
  Author = {Rost, Jürgen},
  Booktitle = {{Essays on Item Response Theory}},
  Publisher = {Springer},
  Year = {2001},

  Address = {New York},
  Editor = {Boomsma, Anne and {van Duijn}, Marijtje A. J. and Snijders, Tom A. B.},
  Pages = {25--42},
  Series = {{Lecture Notes in Statistics}},
  Volume = {157},

  Doi = {10.1007/978-1-4613-0169-1_2}
}

@Article{Ro:99,
  Title = {{Was ist aus dem Rasch-Modell geworden? [What has become of the Rasch Model?]}},
  Author = {Rost, Jürgen},
  Journal = {{Psychologische Rundschau}},
  Year = {1999},
  Number = {3},
  Pages = {140--156},
  Volume = {50},

  Doi = {10.1026//0033-3042.50.3.140}
}

@InProceedings{RuschMaierHatzinger:2013:LLRA,
  Title = {{Linear Logistic Models with Relaxed Assumptions in {\gnuR}}},
  Author = {Rusch, Thomas and Maier, Marco Johannes and Hatzinger, Reinhold},
  Booktitle = {{Algorithms from and for Nature and Life: Classification and Data Analysis}},
  Year = {2013},

  Address = {New York},
  Editor = {Lausen, Berthold and {van den Poel}, Dirk and Ultsch, Alfred},
  Pages = {337--344},
  Publisher = {Springer},

  Doi = {10.1007/978-3-319-00035-0_34}
}

@Article{Scheib:72,
  Title = {{Das Lernen und Lösen komplexer Denkaufgaben [The learning and solving of complex reasoning items]}},
  Author = {Scheiblechner, Hartmann},
  Journal = {{Zeitschrift für experimentelle und angewandte Psychologie}},
  Year = {1972},
  Pages = {456--506},
  Volume = {3}
}

@InCollection{Sm:04,
  Title = {{Fit Analysis in Latent Trait Measurement Models}},
  Author = {Smith, Richard M.},
  Booktitle = {{Introduction to Rasch Measurement}},
  Publisher = {{JAM Press}},
  Year = {2004},

  Address = {Maple Grove, MN},
  Editor = {Smith, Everett V. and Smith, Richard M.},
  Pages = {73--92}
}

@Article{Suarez+Glas:2003,
  Title = {{Evaluation of global testing procedures for item fit to the Rasch model}},
  Author = {Suárez-Falcón, J. C. and Glas, C. A. W.},
  Journal = {{British Journal of Mathematical and Statistical Psychology}},
  Year = {2003},
  Number = {1},
  Pages = {127--143},
  Volume = {56},

  Doi = {10.1348/000711003321645395}
}

@Article{VedB:01,
  Title = {{Some Mantel-Haenszel tests of Rasch model assumptions}},
  Author = {Verguts, T. and {de Boeck}, P.},
  Journal = {{British Journal of Mathematical and Statistical Psychology}},
  Year = {2001},
  Number = {1},
  Pages = {21--37},
  Volume = {54},

  Doi = {10.1348/000711001159401}
}

@Article{Verhelst+Hatzinger+Mair:2007,
  Title = {{The Rasch sampler}},
  Author = {N. Verhelst and R. Hatzinger and P. Mair},
  Journal = {{Journal of Statistical Software}},
  Year = {2007},
  Number = {4},
  Pages = {1--14},
  Volume = {20},

  Url = {http://www.jstatsoft.org/v20/i04}
}

@InCollection{Verhelst+Glas:1995,
  Title = {{The One Parameter Logistic Model}},
  Author = {Verhelst, Norman D. and Glas, Cees A. W.},
  Booktitle = {{Rasch Models: Foundations, Recent Developments, and Applications}},
  Publisher = {Springer},
  Year = {1995},

  Address = {New York},
  Editor = {Fischer, Gerhard H. and Molenaar, Ivo W.},
  Pages = {215--238},

  Doi = {10.1007/978-1-4612-4230-7_12}
}

@Book{Davier:1998,
  Title = {{WINMIRA: A Windows program for mixed Rasch models}},
  Author = {{von Davier}, M.},
  Publisher = {IPN},
  Year = {1998},

  Address = {Kiel}
}

@InCollection{RoDa:95,
  Title = {{Polytomous Mixed Rasch Models}},
  Author = {{von Davier}, Matthias and Rost, Jürgen},
  Booktitle = {{Rasch Models: Foundations, Recent Developments, and Applications}},
  Publisher = {Springer},
  Year = {1995},

  Address = {New York},
  Editor = {Fischer, Gerhard H. and Molenaar, Ivo W.},
  Pages = {371--382},

  Doi = {10.1007/978-1-4612-4230-7_20}
}

@Article{Warm:1989,
  Title = {{Weighted likelihood estimation of ability in item response theory}},
  Author = {Warm, Thomas A.},
  Journal = {{Psychometrika}},
  Year = {1989},
  Number = {3},
  Pages = {427--450},
  Volume = {54},

  Doi = {10.1007/BF02294627}
}

@Article{Wright+Panchapakesan:1969,
  Title = {{A Procedure for Sample-Free Item Analysis}},
  Author = {B. Wright and N. Panchapakesan},
  Journal = {{Educational and Psychological Measurement}},
  Year = {1969},
  Number = {1},
  Pages = {23--48},
  Volume = {29},

  Doi = {10.1177/001316446902900102}
}

@Book{Wright+Masters:1982,
  Title = {{Rating Scale Analysis: Rasch Measurement}},
  Author = {Wright, B. D. and Masters, G. N.},
  Publisher = {Mesa Press},
  Year = {1982},

  Address = {Chicago}
}