@inproceedings{yeager:rfid08,
    title={Wirelessly-Charged UHF Tags for Sensor Data Collection},
    author={Yeager, D.J. and Powledge, P.S. and Prasad, R. and Wetherall, D. and Smith, J.R.},
    journal={RFID, 2008 IEEE International Conference on},
    year={2008},
    month={April},
    pages={320-327}}