\documentclass[11pt,a4paper]{article} \usepackage{isabelle,isabellesym} \usepackage{pdfsetup} \urlstyle{rm} \isabellestyle{it} \begin{document} \title{Examples for program extraction in Higher-Order Logic} \author{Stefan Berghofer} \maketitle \nocite{Berger-JAR-2001,Coquand93} \tableofcontents \parindent 0pt\parskip 0.5ex \input{session} \bibliographystyle{abbrv} \bibliography{root} \end{document}