\begin{thebibliography}{1}

\bibitem{guntermann:cweb}
Klaus Guntermann and Joachim Schrod.
\newblock {{\tt WEB}} adapted to {C}.
\newblock {\em {TUG}boat}, 7(3):134--137, October 1986.

\bibitem{knuth:literate:book}
Donald~E. Knuth.
\newblock {\em Literate Programming}, volume~27 of {\em Center for the Study of
  Language and Information Lecture Notes}.
\newblock Leland Stanford Junior University, Stanford, California, 1992.

\end{thebibliography}