de GROOT, A. D.
(1965) Thought and Choice in Chess. The Hague: Mouton.
2.
FREY, P. W.
(1977) "'An introduction to computer chess," in Chess Skill in Man and Machine. New York: Springer-Verlag.
3.
HOLDING, D. H.
(1979) "The evaluation of chess positions."Simulation & Games10: 207-221.
4.
SLATE, D. J.
and L. R. ATKIN (1977) "Chess 4.5: the Northwestern University chess program," in P. W. Frey (ed.) Chess Skill in Man and Machine. New York: Springer-Verlag.