\begin{thebibliography}{HCJE93}

\bibitem[Arn81]{Arnon:81}
D.S. Arnon.
\newblock {\em Algorithms for the geometry of semi-algebraic sets}.
\newblock Ph.d. dissertation, Computer Sciences Department, University of
  Wisconsin, Madison, 1981.
\newblock Technical Report No. 436.

\bibitem[CH91]{CollinsHong:91}
George~E. Collins and Hoon Hong.
\newblock Partial cylindrical algebraic decomposition for quantifier
  elimination.
\newblock {\em Journal of Symbolic Computation}, 12(3):299--328, September
  1991.

\bibitem[Col75]{Collins:75}
George~Edwin Collins.
\newblock Quantifier elimination for the elementary theory of real closed
  fields by cylindrical algebraic decomposition.
\newblock In H.~Brakhage, editor, {\em Automata Theory and Formal Languages.
  2nd GI Conference}, volume~33 of {\em Lecture Notes in Computer Science},
  pages 134--183, Berlin, Heidelberg, New York, May 1975. Gesellschaft f\"ur
  Informatik, Springer-Verlag.

\bibitem[DH88]{Davenport:88}
James~H. Davenport and Joos Heintz.
\newblock Real {Q}uantifier {E}limination is {D}oubly exponential.
\newblock {\em Journal of Symbolic Computation}, 5(1\&2):29--35, February 1988.

\bibitem[DS95a]{DolzmannSturm:95a}
Andreas Dolzmann and Thomas Sturm.
\newblock {\em Redlog, a Reduce Logic Package}.
\newblock FMI, Universit\"at Passau, D-94030 Passau, Germany, preliminary
  edition, July 1995.
\newblock User Manual.

\bibitem[DS95b]{DolzmannSturm:95}
Andreas Dolzmann and Thomas Sturm.
\newblock Simplification of quan\-ti\-fier-free formulas over ordered fields.
\newblock Technical Report MIP-9517, FMI, Universit\"at Passau, D-94030 Passau,
  Germany, October 1995.
\newblock To appear in the Journal of Symbolic Computation.

\bibitem[DS96]{DolzmannSturm:96}
Andreas Dolzmann and Thomas Sturm.
\newblock Redlog---computer algebra meets computer logic.
\newblock Technical Report MIP-9603, FMI, Universit\"at Passau, D-94030 Passau,
  Germany, February 1996.

\bibitem[DSW96]{DSW:96}
Andreas Dolzmann, Thomas Sturm, and Volker Weispfenning.
\newblock A new approach for automatic theorem proving in real geometry.
\newblock Technical Report MIP-9611, FMI, Universit\"at Passau, D-94030 Passau,
  Germany, May 1996.

\bibitem[HCJE93]{Hong:93}
Hoon Hong, George~E. Collins, Jeremy~R. Johnson, and Mark~J. Encarnacion.
\newblock {QEPCAD} interactive version 12.
\newblock Kindly communicated to us by Hoon Hong, September 1993.

\bibitem[Hen95]{Henning:91}
Eckhard Henning.
\newblock {Rechnergest\"utzte Dimensionierung analoger Schaltungen auf der
  Basis symbolischer Analyseverfahren}.
\newblock Technical report, {Zentrum f\"ur Mikroelektronik}, December 1995.
\newblock Jahresbericht zum Forschungsprojekt.

\bibitem[Laz88]{Lazard:88}
Daniel Lazard.
\newblock Quantifier elimination: Optimal solution for two classical examples.
\newblock {\em Journal of Symbolic Computation}, 5(1\&2):261--266, February
  1988.

\bibitem[LW93]{LoosWeispfenning:93}
R\"udiger Loos and Volker Weispfenning.
\newblock Applying linear quantifier elimination.
\newblock {\em The Computer Journal}, 36(5):450--462, 1993.
\newblock Special issue on computational quantifier elimination.

\bibitem[NT92]{NoroTakeshima:92}
M.~Noro and T.~Takeshima.
\newblock {R}isa/{A}sir---a computer algebra system.
\newblock In {\em Proceedings of the ISSAC '92}, pages 387--396, 1992.

\bibitem[Tar48]{Tarski:48}
A.~Tarski.
\newblock A decision method for elementary algebra and geometry.
\newblock Technical report, University of California, 1948.
\newblock Second edn., rev. 1951.

\bibitem[Wei88]{Weispfenning:88}
Volker Weispfenning.
\newblock The complexity of linear problems in fields.
\newblock {\em Journal of Symbolic Computation}, 5(1):3--27, February 1988.

\bibitem[Wei94a]{Weispfenning:95b}
Volker Weispfenning.
\newblock Parametric linear and quadratic optimization by elimination.
\newblock Technical Report MIP-9404, FMI, Universit\"at Passau, D-94030 Passau,
  Germany, April 1994.
\newblock To appear in the Journal of Symbolic Computation.

\bibitem[Wei94b]{Weispfenning:94}
Volker Weispfenning.
\newblock Quantifier elimination for real algebra---the cubic case.
\newblock In {\em Proceedings of the International Symposium on Symbolic and
  Algebraic Computation in Oxford}, pages 258--263, New York, July 1994. ACM
  Press.

\bibitem[Wei96a]{Weispfenning:96b}
Volker Weispfenning.
\newblock Applying quantifier elimination to problems in simulation and
  optimization.
\newblock Technical Report MIP-9607, FMI, Universit\"at Passau, D-94030 Passau,
  Germany, April 1996.
\newblock To appear in the Journal of Symbolic Computation.

\bibitem[Wei96b]{Weispfenning:96}
Volker Weispfenning.
\newblock Quantifier elimination for real algebra---the quadratic case and
  beyond.
\newblock To appear in AAECC, 1996.

\end{thebibliography}