\documentclass{article}
\usepackage{jas}
\usepackage{a4}
\usepackage{epsf}
\usepackage{graphicx}
\usepackage{pstricks}
\usepackage{epic}

\usepackage[round]{natbib}
\usepackage{equations}
\usepackage{fancyheadings}

% \renwewcommand{\chaptermark}[1]{MONTHLY WEATHER REVIEW}
% \renwewcommand{\sectionmark}[1]{HOURDIN AND ARMENGAUD}
% \pagestyle{fancyplain}
%\chead[MONTHLY WEATHER REVIEW]{HOURDIN AND ARMENGAUD}
%\lhead{\today}
%\pagestyle{fancyplain}
% \usepackage{multicol}


\renewcommand{\floatpagefraction}{0.9}

\setlength{\topmargin}{10mm}
\setlength{\headheight}{0mm}
\setlength{\headsep}{0mm}
\setlength{\oddsidemargin}{0mm}
\setlength{\evensidemargin}{0mm}
\setlength{\textwidth}{164mm}
\setlength{\textheight}{223mm}
\setlength{\columnsep}{4mm}
\setlength{\parskip}{1ex}

\def\der#1#2{\frac{\partial #1}{\partial #2}}
\def\dep#1{\left(#1\right)}
\def\depb#1{\left[#1\right]}
\def\dem{1/2}
\def\eq#1{Eq.~\ref{eq:#1}}
\def\fg#1{Fig.~\ref{fg:#1}}
\def\sec#1{Section~\ref{sec:#1}}

\def\dq{{\dep{\delta q}}}
\def\dt{\delta t}
\def\eg{e.~g.}

\def\EPS{../vanleer.1/EPS}


\begin{document}

\bibliographystyle{jas}


\input{title}
\maketitle

\input{abs}

\twocolumn

\input{intro}

\input{1d}

\input{3d}

\input{tests}

\input{conclusion}

\bibliography{/d2/hourdin/tex/biblio/fred,../vanleer.1/draft.1/referadon,../vanleer.1/bony}

\end{document}