% \usepackage{url}
% \usepackage{graphicx}
% \usepackage{amsmath, amsthm, amssymb}
+% \usepackage{dcolumn}
+% \usepackage{endfloat}
+% add bibliographic stuff
\usepackage[round]{natbib}
+\def\citepos#1{\citeauthor{#1}'s (\citeyear{#1})}
+\def\citespos#1{\citeauthor{#1}' (\citeyear{#1})}
\newcommand{\titleref}[1]{\textsl{#1}}