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H. Abelson, G. Sussman, and {. Sussman. Springer-Lehrbuch Springer, Berlin, 3.~überarb.~Aufl. edition, (1998)Übersetzung von: Structure and
Interpretation of Computer Programs, Cambridge, 1996
(1st~Ed.~1985) übersetzt von Susanne
Daniels--Herold.
H. Abelson, G. Sussman, and with~Julie~Sussman. MIT Press/McGraw-Hill, Cambridge, 2nd~Editon edition, (1996)http://www.csie.ncnu.edu.tw/~klim/lisp-922/scheme.pdf
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-- last visited $26^th$ December 2007.
R. Schank, and R. Abelson. Thinking: Readings in Cognitive Science, Proceedings of the Fourth International Joint Conference on Artificial Intelligence, page 151-157. Tbilisi, USSR, (1975)