+@inproceedings{wang2007energy,
+ title={Energy efficient coverage with variable sensing radii in wireless sensor networks},
+ author={Wang, Jiong and Medidi, Sirisha},
+ booktitle={Wireless and Mobile Computing, Networking and Communications, 2007. WiMOB 2007. Third IEEE International Conference on},
+ pages={61--61},
+ year={2007},
+ organization={IEEE}
+}
+
+@inproceedings{vu2009delaunay,
+ title={Delaunay-triangulation based complete coverage in wireless sensor networks},
+ author={Vu, Chinh T and Li, Yingshu},
+ booktitle={Pervasive Computing and Communications, 2009. PerCom 2009. IEEE International Conference on},
+ pages={1--5},
+ year={2009},
+ organization={IEEE}
+}
+
+@article{yang2014energy,
+author={Yang, Q. and He, S. and Li, J. and Chen, J. and Sun, Y.},
+journal={Vehicular Technology, IEEE Transactions on},
+title={Energy-Efficient Probabilistic Area Coverage in Wireless Sensor Networks},
+volume={PP},
+number={99},
+pages={1-1},
+year={2014},
+
+}
+
+@inproceedings{ling2009energy,
+ title={Energy efficient adaptive sensing for dynamic coverage in wireless sensor networks},
+ author={Ling, Hui and Znati, Taieb},
+ booktitle={Wireless Communications and Networking Conference, 2009. WCNC 2009. IEEE},
+ pages={1--6},
+ year={2009},
+ organization={IEEE}
+}
+
+@inproceedings{diongue2013alarm,
+ title={ALARM: An energy aware sleep scheduling algorithm for lifetime maximization in wireless sensor networks},
+ author={Diongue, Dame and Thiare, Ousmane},
+ booktitle={Wireless Technology and Applications (ISWTA), 2013 IEEE Symposium on},
+ pages={74--79},
+ year={2013},
+ organization={IEEE}
+}
+
+
+@INPROCEEDINGS{shi2009,
+author={Qinghua Shi and Xiaozhen Wei and Yu Peng and Shiqian Li},
+booktitle={Computer Network and Multimedia Technology, 2009. CNMT 2009. International Symposium on},
+title={An Energy-Efficient Central-Scheduling Scheme in Wireless Sensor Networks},
+year={2009},
+month={Jan},
+pages={1-4},
+}
+
+@inproceedings{qu2013distributed,
+ title={A distributed area coverage algorithm for maintenance of randomly distributed sensors with adjustable sensing range},
+ author={Qu, Yipeng and Georgakopoulos, Stavros V},
+ booktitle={Global Communications Conference (GLOBECOM), 2013 IEEE},
+ pages={286--291},
+ year={2013},
+ organization={IEEE}
+}
+
+@inproceedings{xin2009area,
+ title={The area coverage algorithm to maintain connectivity for WSN},
+ author={Xin, He and Ke, Yin and Xiaolin, Gui},
+ booktitle={Computer and Information Technology, 2009. CIT'09. Ninth IEEE International Conference on},
+ volume={2},
+ pages={81--86},
+ year={2009},
+ organization={IEEE}
+}