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\bibitem{SICP}
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MIT Press, Cambridge, 1985.

\bibitem{RRRS}
Jonathan Rees and William Clinger, editors.
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Newsletter of the ACM Special Interest Group on Programming Languages,
November 1986.

\bibitem{6001}
Tod Cass.
{\em Don't Panic: A 6.001 User's guide to the Chipmunk System.}
January, 1984.

\bibitem{6003}
Harold Abelson.
{\em Go Ahead -- Panic: A 6.003 User's Guide to the Bobcat System.}
Spring Semester, 1987.

\bibitem{GnuEmacs}
Richard M. Stallman.
{\em Gnu Emacs manual}.
Fourth Edition, Version 17.
February 1986.

\end{thebibliography}
