Corinna Schmitt: Secure Data Transmission in Wireless Sensor Networks; Network Architectures and Services (NET), Technische Universität München, Network Architectures and Services, München, Germany, July 2013, ISBN 3-937201-36-X, doi:10.2313/NET-2013-07-2 URL: http://www.net.in.tum.de/fileadmin/TUM/NET/NET-2013-07-2.pdf.