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I.~S. Duff, A.~M. Erisman, and J.~K. Reid.
\newblock {\em {Direct Methods for Sparse Matrices}}.
\newblock Oxford University Press, Oxford, 1990.

\bibitem{BH-guide}
I.~S. Duff, R.~G. Grimes, and J.~G. Lewis.
\newblock {Users` Guide for the Harwell-Boeing Sparse Matrix Collection}.
\newblock Technical Report TR/PA/92/86, Boeing Computer Services, October 1992.
\newblock (can be obtained by anonymous ftp at orion.cerfacs.fr).

\bibitem{Fox}
G.~Fox, M.~Johnson, G.~Lyzenga, S.~Otto, J.~Salmon, and D.~Walker.
\newblock {\em {Solving Problems on Concurrent Processors}}.
\newblock Prentice Hall, 1988.

\bibitem{shar-mem}
A.~George and E.~Eg.
\newblock {Some Shared Memory is Desirable in Parallel Sparse Matrix
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\newblock {\em {SIGNUM Newsletter}}, 23(2):9--13, April 1988.

\bibitem{Diak}
H.~H. Happ.
\newblock {Diakoptics -- The Solution of System Problems by Tearing}.
\newblock {\em {Proceedings of the IEEE}}, 62(7):930--940, July 1974.

\bibitem{Heath}
M.~T. Heath, E.~Ng, and B.~W. Peyton.
\newblock {Parallel Algorithms for Sparse Linear Systems}.
\newblock In {\em {Parallel Algorithms for Matrix Computations}}, pages
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\bibitem{DPK-scale}
D.~P. Koester, S.~Ranka, and G.~C. Fox.
\newblock {Parallel Block-Diagonal-Bordered Sparse Linear Solvers for
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\newblock In A.~Skjellum, editor, {\em {Proceeding of the Scalable Parallel
  Libraries Conference}}. IEEE Press, 1994.

\bibitem{DPK-par-dir}
D.~P. Koester, S.~Ranka, and G.~C. Fox.
\newblock {Parallel Choleski Factorization of Block-Diagonal-Bordered Sparse
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\newblock {(in preparation)}, January 1994.

\bibitem{NodeTear}
A.~Sangiovanni-Vincentelli, L.~K. Chen, and L.~O. Chua.
\newblock {Node-Tearing Nodal Analysis}.
\newblock Technical Report ERL-M582, Electronics Research Laboratory, College
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\bibitem{Active-1}
Thinking Machines Corporation, Cambridge, MA.
\newblock {\em CMMD Reference Manual}, Dec 1992.

\end{thebibliography}
