@INPROCEEDINGS {30641,
author={A.P. Prata and S.C. Pires and A. Oliveira and N.B.C. Carvalho},
doi={},
booktitle={IEEE International Microwave Theory and Tech. Symp.},
title={Towards Circulator-Free Multi Antenna Transmitters for 5G},
year={2017},
month={June},
volume={},
pages={-} 
}