@INPROCEEDINGS {34383,
author={S.  Daskalakis and R.  Correia and G. Goussetis and MT Tentzeris and N.B.C. Carvalho and A. G. Georgiadis},
doi={},
booktitle={IEEE International Microwave Symposium IMS},
title={Spectrally Efficient 4-PAM Ambient FM Backscattering for Wireless Sensing and RFID Applications},
year={2018},
month={June},
volume={},
pages={-} 
}