efficiency in wireless sensor networks: A top-down survey.'' \emph{Computer
Networks} 67: 104--122.
-\bibitem[Rossi, Singh, and Sevaux(2012)]{rossi2012exact}
-Rossi, Andr{\'e}, Alok Singh, and Marc Sevaux. 2012. ``An exact approach for
- maximizing the lifetime of sensor networks with adjustable sensing ranges.''
- \emph{Computers \& Operations Research} 39 (12): 3166--3176.
+\bibitem[Singh, Rossi, and Sevaux(2013)]{doi:10.1080/0305215X.2012.687732}
+Singh, Alok, André Rossi, and Marc Sevaux. 2013. ``Matheuristic approaches for
+ Q-coverage problem versions in wireless sensor networks.'' \emph{Engineering
+ Optimization} 45 (5): 609--626.
+ \eprint{http://dx.doi.org/10.1080/0305215X.2012.687732}.
+ \urlprefix\url{http://dx.doi.org/10.1080/0305215X.2012.687732}.
\bibitem[Tian and Georganas(2002)]{Tian02}
Tian, Di, and Nicolas~D. Georganas. 2002. ``A coverage-preserving node