-\begin{thebibliography}{42}
+\begin{thebibliography}{43}
\newcommand{\enquote}[1]{``#1''}
\providecommand{\natexlab}[1]{#1}
\providecommand{\url}[1]{\normalfont{#1}}
with coverage and connectivity constraints.'' \emph{Computers \& Operations
Research} 52 (B): 220--230.
+\bibitem[CPLEX(2010)]{iamigo:cplex}
+CPLEX, Optimizer. 2010. ``{IBM ILOG CPLEX Optimizer}.'' \\url
+ {http://www-01.ibm.com/software/integration/optimization/cplex-optimizer/}.
+
\bibitem[Deng, Jiguo~Yu, and Chen(2012)]{Deng2012}
Deng, Xiu, Dongxiao~Yu Jiguo~Yu, and Congcong Chen. 2012. ``Transforming Area
Coverage to Target Coverage to Maintain Coverage and Connectivity for