\begin{thebibliography}{1}
\advance\leftskip by 1.5em
\advance\itemindent by -1.5em

\bibitem{Athitsos}
ATHITSOS, V., SWAIN, M.~J.
\newblock Distinguishing photographs and graphics on the world wide web.
\newblock Chicago Illinois USA, Oct. 1.

\bibitem{Camillo}
OLIVEIRA, C. J.~S., ARA\'UJO, A., {SEVERIANO JR}, C.~A., GOMES, D.~R.
\newblock Classifying images collected on the world wide web.
\newblock {\em 14th Brazilian Symposium on Computer Graphics and Image
  Processing}, Belo Horizonte MG Brasil, Oct. 2002.

\bibitem{swain97webseer}
SWAIN, M., FRANKEL, C., ATHITSOS, V.
\newblock Webseer: An image search engine for the world wide web, 1997.

\end{thebibliography}
