1. Kim S, Pakzad S, Culler D, Demmel J, Fenves G, Glaser S, Turon M: Health monitoring of civil infrastructures using wireless sensor networks. Proceedings of the 6th International Symposium on Information Processing in Sensor Networks (IPSN '07), April 2007 254-263.
2. Murty RN, Mainland G, Rose I, Chowdhury AR, Gosain A, Bers J, Welsh M: CitySense: an urban-scale wireless sensor network and testbed. Proceedings of the IEEE International Conference on Technologies for Homeland Security (HST '08), May 2008 583-588.
3. Steenbergen K, Kamerman A: Scalable wireless sensor networks based on green energy. Wireless Congress: Systems and Applications, 2008, Munchen, Germany
4. http://energyharvesting.net/
5. Valenzuela A: Batteryless energy harvesting for embedded designs. 2009, http://www.embedded.com/218600144