-\bibcite{idrees2014coverage}{11}
-\bibcite{jaggi2006}{12}
-\bibcite{kim2013maximum}{13}
-\bibcite{Kumar:2005}{14}
-\bibcite{li2013survey}{15}
-\bibcite{ling2009energy}{16}
-\bibcite{pujari2011high}{17}
-\bibcite{Misra}{18}
-\bibcite{Nayak04}{19}
-\bibcite{pc10}{20}
-\bibcite{pedraza2006}{21}
-\bibcite{qu2013distributed}{22}
-\bibcite{raghunathan2002energy}{23}
-\bibcite{ijcses11}{24}
-\bibcite{ref22}{25}
-\bibcite{rossi2012exact}{26}
-\bibcite{varga}{27}
-\bibcite{chin2007}{28}
-\bibcite{ChinhVu}{29}
-\bibcite{5714480}{30}
-\bibcite{xu2001geography}{31}
-\bibcite{yang2014novel}{32}
-\bibcite{yangnovel}{33}
-\bibcite{Yang2014}{34}
-\bibcite{Zhang05}{35}
-\bibcite{zorbas2010solving}{36}
+\bibcite{jaggi2006}{11}
+\bibcite{kim2013maximum}{12}
+\bibcite{Kumar:2005}{13}
+\bibcite{li2013survey}{14}
+\bibcite{ling2009energy}{15}
+\bibcite{pujari2011high}{16}
+\bibcite{Misra}{17}
+\bibcite{Nayak04}{18}
+\bibcite{pc10}{19}
+\bibcite{pedraza2006}{20}
+\bibcite{qu2013distributed}{21}
+\bibcite{raghunathan2002energy}{22}
+\bibcite{ref22}{23}
+\bibcite{rossi2012exact}{24}
+\bibcite{varga}{25}
+\bibcite{chin2007}{26}
+\bibcite{ChinhVu}{27}
+\bibcite{5714480}{28}
+\bibcite{xu2001geography}{29}
+\bibcite{yang2014novel}{30}
+\bibcite{yangnovel}{31}
+\bibcite{Yang2014}{32}
+\bibcite{Zhang05}{33}
+\bibcite{zorbas2010solving}{34}