\begin{thebibliography}{}

\bibitem[Louis, 1999]{Louis99}
Louis, R. (1999).
\newblock Software agents activities.
\newblock In {\em ICEIS'99, 1st International Conference on Enterprise
  Information Systems}. ICEIS Press.

\bibitem[Smith, 1998]{Smith98}
Smith, J. (1998).
\newblock {\em The Book}.
\newblock The publishing company, London, 2nd edition.

\end{thebibliography}
