bibspacing.sty

\newdimen\bibindent
\setlength\bibindent{1.5em}
\newdimen\bibspacing
\setlength\bibspacing\z@
\renewenvironment{thebibliography}[1]{%
  \begin{spacing}{1}
  \section*{\refname
        \@mkboth{\MakeUppercase\refname}{\MakeUppercase\refname}}%
  \end{spacing}
      \list{\@biblabel{\@arabic\c@enumiv}}%
           {\settowidth\labelwidth{\@biblabel{#1}}%
            \leftmargin\labelwidth
            \advance\leftmargin\labelsep 
            \itemsep\z@skip    % should this be commented out?
            \parsep\z@skip     % should this be commented out?
            \@openbib@code
            \usecounter{enumiv}%
            \let\p@enumiv\@empty
            \renewcommand\theenumiv{\@arabic\c@enumiv}}%
      \sloppy\clubpenalty4000\widowpenalty4000%
      \sfcode`\.\@m}
     {\def\@noitemerr
       {\@latex@warning{Empty `thebibliography' environment}}%
      \endlist}