@ARTICLE {29509,
author={D.  Belo and D. Ribeiro and P. Pinho and N.B.C. Carvalho},
doi={10.1109/TMTT.2019.2913653},
journal={IEEE Transactions on Microwave Theory and Techniques},
title={A Selective, Tracking, and Power Adaptive Far-Field Wireless Power Transfer System},
year={2019},
month={September},
volume={67},
number={9},
pages={3856-3866},
ISSN={0018-9480}
}