%% This defines the bibliography file (main.bib) and the bibliography style.
%% If you want to create a bibliography file by hand, change the contents of
%% this file to a `thebibliography' environment.  For more information 
%% see section 4.3 of the LaTeX manual.
% \bibliography{main}
% \bibliographystyle{plain}

\begin{thebibliography}{99}



\bibitem{dumas} Joseph S. Dumas.  {\em Designing User Interfaces For
Software.}  Prentice-Hall, Inc., Englewood Cliffs, New Jersey, 1988.

\bibitem{builder} Integrated Computer Solutions, Inc. {\em The Builder
Xcessory User Guide.} Integrated Computer Solutions, Inc. Cambridge,
Mass., 1990.
	
\bibitem{kar} Brian W. Kernighan and Dennis M. Ritchie.  {\em The C
Programming Language.} Prentice-Hall, Inc., Englewood Cliffs, New
Jersey, 1988.

\bibitem{lewis} Bruce R. Lewis. {\em Design Issues for Lucy.} 1990.

\bibitem{norman} Donald Norman.  {\em The Design of Everyday Things.}
Doubleday, New York, 1988.  

\bibitem{osf} Open Software Foundation.  {\em OSF/Motif Programmer's
Reference Manual.} Open Software Foundation, Cambridge, MA, 1989.

\bibitem{raeburn} Ken Raeburn. {\em Discuss (subroutine foo).} 1989.

\bibitem{schildt} Herbert Schildt.  {\em C, The Complete Reference.}
Osborne McGraw-Hill, Berkeley, Calif., 1987.

\bibitem{young} Douglas A. Young. {\em X Window Systems Programming
and Applications with Xt.} Prentice-Hall, Inc., Englewood Cliffs, New
Jersey, 1989.

\bibitem{zanarotti} Stan Zanarotti, Ken Raeburn, and Nancy Gilman.
{\em Using Discuss.} MIT SIPB, Cambridge, Mass., 1988.

\end{thebibliography}