deletions | additions       diff --git a/preface.tex b/preface.tex  index 9981203..c03aff4 100644  --- a/preface.tex  +++ b/preface.tex 
...
\section{Preface}  This is a short summary of \emph{Eclipsing binary statistics - theory and observation} \cite{soderhjelm}  In order to estimate the number of eclipsing binaries to be expected in the upcoming all-sky survey 'Gaia', the authors executed a large binary population synthesis experiment using the rapid binary evolution code (BSE)  by \cite{Hurley_Tout_Pols_2002} \citen{Hurley_Tout_Pols_2002}