\begin{thebibliography}{DKSS03}

\bibitem[Die03]{AHFinderDirect/Diener03a}
P.~Diener.
\newblock A new general purpose event horizon finder for {3D} numerical
  spacetimes.
\newblock {\em Class. Quantum Grav.}, 20(22):4901--4917, 2003.

\bibitem[DKSS03]{AHFinderDirect/Dreyer-etal-2002-isolated-horizons}
Olaf Dreyer, Badri Krishnan, Deirdre Shoemaker, and Erik Schnetter.
\newblock Introduction to {Isolated} {Horizons} in {Numerical} {Relativity}.
\newblock {\em Phys. Rev. D}, 67:024018, 2003.

\bibitem[Gun98]{AHFinderDirect/Gundlach97a}
Carsten Gundlach.
\newblock Pseudo-spectral apparent horizon finders: An efficient new algorithm.
\newblock {\em Phys. Rev. D}, 57:863--875, 1998.

\bibitem[Sch86]{AHFinderDirect/Schroeder86}
Manfred~R. Schroeder.
\newblock {\em Number Theory in Science and Communication}.
\newblock Springer-Verlag, Berlin, 2nd enlarged edition, 1986.

\bibitem[Sch02]{AHFinderDirect/Schnetter02a}
Erik Schnetter.
\newblock A fast apparent horizon algorithm.
\newblock gr-qc/0206003, 2002.

\bibitem[Sch03]{AHFinderDirect/Schnetter03a}
Erik Schnetter.
\newblock Finding apparent horizons and other two-surfaces of constant
  expansion.
\newblock {\em Class. Quantum Grav.}, 20(22):4719--4737, 2003.

\bibitem[Tho96]{AHFinderDirect/Thornburg95}
Jonathan Thornburg.
\newblock Finding apparent horizons in numerical relativity.
\newblock {\em Phys. Rev. D}, 54(8):4899--4918, October 15 1996.

\bibitem[Tho04]{AHFinderDirect/Thornburg2003:AH-finding}
Jonathan Thornburg.
\newblock A fast apparent-horizon finder for 3-dimensional {C}artesian grids in
  numerical relativity.
\newblock {\em Class. Quantum Grav.}, 21(2):743--766, 21 January 2004.

\bibitem[Yor89]{AHFinderDirect/York89}
James~W. York.
\newblock Initial data for collisions of black holes and other gravitational
  miscellany.
\newblock In C.~Evans, L.~Finn, and D.~Hobill, editors, {\em Frontiers in
  Numerical Relativity}, pages 89--109. Cambridge University Press, Cambridge,
  England, 1989.

\end{thebibliography}