1. Akyildiz, F., Su, W., Sankarasubramaniam, Y., Cayirci, E.: A survey on sensor networks. IEEE Commun. Mag. 40, 102–114 (2002)
2. Bala, M., Awasthi, L.: Proficient d-sep protocol with heterogeneity for maximizing the lifetime of wireless sensor networks. I. J. Intell. Syst. Appl. 7, 1–15 (2012)
3. Chen, G., Li, C., Ye, M., Wu, J.: An unequal cluster-based routing protocol in wireless sensor networks. Wirel. Netw. 15, 193–207 (2007)
4. Chiasserini, C.-F., Garetto, M.: Modeling the performance of wireless sensor networks. In: IEEE INFOCOM (2004).
http://www.ieee-infocom.org/2004/Papers/06_1.PDF
5. Gupta, S., Dave, M.: Real-time approach for data placement in wireless sensor networks. Int. J. Electron. Circ. Syst. 2(3), 132–139 (2008)