Christian Metzger Florian Michahelles Elgar Fleisch Ambient Energy Scavenging for Sensor-Equipped RFID Tags in the Cold Chain. 255-269 2007 conf/eurossc/2007 EuroSSC http://dx.doi.org/10.1007/978-3-540-75696-5_16 db/conf/eurossc/eurossc2007.html#MetzgerMF07