\renewcommand\refname{References and Notes}


\newenvironment{sciabstract}{%
\begin{quote} \bf}
{\end{quote}}


\makeatletter

\renewcommand\@biblabel[1]{{S#1.}}
\renewcommand\citeleft{(}
\renewcommand\citeright{)}
\renewcommand\citeform[1]{S#1}
\makeatother

\newcounter{lastnote}
\newenvironment{scilastnote}{%
\setcounter{lastnote}{\value{enumiv}}%
\addtocounter{lastnote}{+1}%
\begin{list}%
{S\arabic{lastnote}.}
{\setlength{\leftmargin}{.4in}}
{\setlength{\labelsep}{.5em}}}
{\end{list}}