\begin{thebibliography}{2}
\expandafter\ifx\csname natexlab\endcsname\relax\def\natexlab#1{#1}\fi
\expandafter\ifx\csname url\endcsname\relax
  \def\url#1{{\tt #1}}\fi

\bibitem[Buckley(2000)]{Spot}
M.~J. Buckley.
\newblock {\em The Spot user's guide}.
\newblock CSIRO Mathematical and Information Sciences, August 2000.
\newblock {\tt http://www.cmis.csiro.au/IAP/Spot/spotmanual.htm}.

\bibitem[Yang et~al.(2002)Yang, Buckley, Dudoit, and Speed]{Image}
Y.~H. Yang, M.~J. Buckley, S.~Dudoit, and T.~P. Speed.
\newblock Comparison of methods for image analysis on c{DNA} microarray data.
\newblock {\em Journal of Computational and Graphical Statistic}, 11\penalty0
  (1), 2002.

\end{thebibliography}
