Utz Roedig Cormac J. Sreenan Wireless Sensor Networks, 6th European Conference, EWSN 2009, Cork, Ireland, February 11-13, 2009. Proceedings EWSN 5432 2009 http://dx.doi.org/10.1007/978-3-642-00224-3 978-3-642-00223-6 Lecture Notes in Computer Science Springer db/conf/ewsn/ewsn2009.html