+% \usepackage{url}
+% \usepackage{graphicx}
+% \usepackage{amsmath, amsthm, amssymb}
+% \usepackage{dcolumn}
+% \usepackage{endfloat}
+
+% add bibliographic stuff
+\usepackage[round]{natbib}
+\def\citeapos#1{\citeauthor{#1}'s (\citeyear{#1})}
+
+\newcommand{\titleref}[1]{\textsl{#1}}
+
+\newenvironment{narrow}[2]{%
+ \begin{list}{}{%
+ \setlength{\topsep}{0pt}%
+ \setlength{\leftmargin}{#1}%
+ \setlength{\rightmargin}{#2}%
+ \setlength{\listparindent}{0pt}%
+ \setlength{\itemindent}{0pt}%
+ \setlength{\parsep}{\parskip}}%
+ \item[]}{\end{list}}
+