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\bibitem{barr81}
A.H.Barr.
\newblock Superquadrics and angle-preserving transformations.
\newblock {\em IEEE Computer Graphics and Applications}, 1:11--23, 1981.

\bibitem{Bloomenthal88}
J.~Bloomenthal.
\newblock Polygonalization of implicit surfaces.
\newblock {\em Computer Aided Geometric Design}, 5:341--355, 1988.

\bibitem{Maple}
B.W. Char, K.O. Geddes, G.H. Gonnet, B.L. Leong, M.B. Monagan, and S.M. Watt.
\newblock {\em Maple V Language Reference Manual}.
\newblock Springer-Verlag, New York, 1991.

\bibitem{Griffiths}
P.~Griffiths and J.~Harris.
\newblock {\em Principles of Algebraic Geometry}.
\newblock Wiley, 1978.

\bibitem{Hanrahan83}
P.~Hanrahan.
\newblock Ray tracing algebraic surfaces.
\newblock In {\em Computer Graphics (SIGGRAPH '83 Proceedings)}, volume~23,
  pages 83--90, July 1983.

\bibitem{HansonMathkaFermat94}
A.~J. Hanson.
\newblock Solutions of {F}ermat's equation, March 1994.
\newblock Mathematica notebook 0206-288, available from the MathSource server
  at {{\tt mathsource@wri.com}}.

\bibitem{Hanson90}
A.~J. Hanson, P.~A. Heng, and B.~C. Kaplan.
\newblock Techniques for visualizing {F}ermat's last theorem: A case study.
\newblock In {\em Proceedings of Visualization 90}, pages 97--106, San
  Francisco, October 1990. IEEE Computer Society Press.

\bibitem{Fermat90}
A.~J. Hanson, P.~A. Heng, and B.~C. Kaplan.
\newblock Visualizing {F}ermat's last theorem.
\newblock {\em SIGGRAPH Video Review}, 61(4), 1990.
\newblock 3:37 minute video animation.

\bibitem{HansonMunznerFrancis94}
A.J. Hanson, T.~Munzner, and G.K. Francis.
\newblock Interactive methods for visualizable geometry.
\newblock {\em IEEE Computer}, 27(7):73--83, July 1994.

\bibitem{Heng92}
P.~Heng.
\newblock {\em Interactive Visualization Tools for Topological Exploration}.
\newblock PhD thesis, Indiana University, 1992.

\bibitem{Macsyma}
Macsyma Inc.
\newblock {\em Macsyma}.
\newblock Macsyma, Inc., Cambridge, MA, 1993.

\bibitem{Mathematica}
Wolfram~Research Inc.
\newblock {\em Mathematica}.
\newblock Wolfram Research, Inc., Champaign, IL, version 2.1 edition, 1992.

\bibitem{MeshView}
H.~Ma and A.J. Hanson.
\newblock Meshview.
\newblock A portable 4D geometry viewer written in OpenGL/Motif, available by
  anonymous ftp from geom.umn.edu, The Geometry Center, Minneapolis MN.

\bibitem{DicksonSciNews}
I.~Peterson.
\newblock Plastic math: Growing plastic models of mathematical formulas.
\newblock {\em Science News}, 140(5):72--73, August 1991.
\newblock Description of the work of Stewart Dickson on creating mathematical
  sculptures; see also vol. 140, no. 17, Oct. 26, 1991, p. 259.

\bibitem{Geomview}
M.~Phillips, S.~Levy, and T.~Munzner.
\newblock Geomview: An interactive geometry viewer.
\newblock {\em Notices of the Amer. Math. Society}, 40(8):985--988, October
  1993.
\newblock In the ``Computers and Mathematics'' column. Available by anonymous
  ftp from geom.umn.edu, The Geometry Center, Minneapolis MN.

\bibitem{MathematicaBook}
S.~Wolfram.
\newblock {\em Mathematica, A System for Doing Mathematics by Computer}.
\newblock Addison-Wesley, Redwood City, CA, second edition, 1991.
\newblock See pages 38--39.

\end{thebibliography}