\documentclass[a4paper]{article}
\usepackage[dvips]{graphicx}
\usepackage{html} 
\title{McStas neutron ray-trace tutorial}
\author{Peter Willendrup and Kim Lefmann, Ris\o\ National Laboratory}
\begin{document}
\maketitle
{\noindent \small {\bf Postal adress:}\\
Ris\o\ National Laboratory\\Frederiksborgvej 399\\DK-4000
  Roskilde, Denmark\\\ \\{\bf
    email:}\\\htmladdnormallink{peter.willendrup@risoe.dk}{mailto:peter.willendrup@risoe.dk},\htmladdnormallink{kim.lefmann@risoe.dk}{kim.lefmann@risoe.dk}}
\abstract \noindent This document is a tutorial about McStas and
neutron scattering for beginners.\\\ 
\\The text below is also included as a chapter in the McStas manual.
\input{tutorial_meat.tex}
\end{document}