\textheight = 195mm
\textwidth = 130mm
\topmargin=20mm
\parskip=4pt plus 1pt minus 2pt
\parindent=5mm
\oddsidemargin=14.5mm
\evensidemargin=14.5mm
\normalparindent=\parindent

\def\AAAheader{\noindent
  \parbox[t][\topmargin][t]{\textwidth}{
    \begin{center}
    \textbf{\large CONTRIBUTIONS TO GENERAL ALGEBRA 20}\\[-1mm]
    \textbf{\normalsize Proceedings of the Salzburg Conference 2011 (AAA81)}\\[-1mm]
    \textbf{\small Verlag Johannes Heyn, Klagenfurt 2011}
    \end{center}
  \vss}}
\let\orgmaketitle\maketitle
\def\maketitle{\vspace*{-\headheight}\vspace*{-\headsep}\vspace*{-\topskip}\AAAheader\orgmaketitle\thispagestyle{empty}}

\def\AAAsubmitted#1{\def\datesubmitted{#1}}
\def\AAApage#1{\AtBeginDocument{\setcounter{page}{#1}}}
