% multibib.sty
% Zaehlt Eintraege ueber mehrere Bib-Umg. hinweg
\newcounter{bibcntr}
\setcounter{bibcntr}{0}
\newcommand{\myusecounter}[1]
{\@nmbrlisttrue\def\@listctr{#1}}%
\renewenvironment{thebibliography}[2] %<
[\value{bibcntr}]%<
{\chapter*{\bibname
\@mkboth{\MakeUppercase\bibname}%
{\MakeUppercase\bibname}}%
\list{\@biblabel{\arabic{bibcntr}}}% %<
{\settowidth\labelwidth{\@biblabel{#2}}% %<
\leftmargin\labelwidth
\advance\leftmargin\labelsep
\@openbib@code
\myusecounter{bibcntr}% %<
\setcounter{bibcntr}{#1}% %<
\renewcommand\thebibcntr{\arabic{bibcntr}}}% %<
\sloppy
\clubpenalty4000
\@clubpenalty \clubpenalty
\widowpenalty4000%
\sfcode`\.\@m}
{\def\@noitemerr
{\@latex@warning{%
Empty `thebibliography' environment}}%
\endlist
}