References for the idea of the algorithm used in FET: please see the REFERENCES file from the main directory or
the interface menu FET > Help > About > References.

Please see the file src/engine/generate.cpp from the sources package of FET for the allocation (generation algorithm).
Also, see the file src/engine/generate_pre.cpp for the algorithm of initial ordering of the activities, before the generation
algorithm.

You can download the FET sources from the FET homepage, https://lalescu.ro/liviu/fet/