\bibcite{Deng2012}{Deng et\nobreakspace {}al., 2012}
\bibcite{deschinkel2012column}{Deschinkel, 2012}
\bibcite{idrees2014coverage}{Idrees et\nobreakspace {}al., 2014}
\bibcite{Deng2012}{Deng et\nobreakspace {}al., 2012}
\bibcite{deschinkel2012column}{Deschinkel, 2012}
\bibcite{idrees2014coverage}{Idrees et\nobreakspace {}al., 2014}
\bibcite{jaggi2006}{Jaggi and Abouzeid, 2006}
\bibcite{kim2013maximum}{Kim and Cobb, 2013}
\bibcite{Kumar:2005}{Kumar et\nobreakspace {}al., 2005}
\bibcite{li2013survey}{Li and Vasilakos, 2013}
\bibcite{jaggi2006}{Jaggi and Abouzeid, 2006}
\bibcite{kim2013maximum}{Kim and Cobb, 2013}
\bibcite{Kumar:2005}{Kumar et\nobreakspace {}al., 2005}
\bibcite{li2013survey}{Li and Vasilakos, 2013}
\bibcite{ling2009energy}{Ling and Znati, 2009}
\bibcite{pujari2011high}{Manju and Pujari, 2011}
\bibcite{Misra}{Misra et\nobreakspace {}al., 2011}
\bibcite{ling2009energy}{Ling and Znati, 2009}
\bibcite{pujari2011high}{Manju and Pujari, 2011}
\bibcite{Misra}{Misra et\nobreakspace {}al., 2011}