\documentstyle[twoside]{sislman}

\begin{document}

\chapter{Curve definition.}

\section{Straight line between two points.}

\input{SISLCurve}
\input{SISLSurf}
\input{SISLBox}
\input{SISLDir}
\input{SISLIntcurve}
\end{document}
