@ARTICLE {19007,
author={R. F. S. Caldeirinha and T.  Fernandes and J. Richter and M. AL-Nuaimi},
doi={10.1049/iet-map.2015.0776},
journal={IET Microwaves, Antennas and Propagation},
title={Simplified RET model derived from path loss and directional spectrum measurements in vegetation media at 11.2 and 20 GHz},
year={2017},
month={January},
volume={11},
number={1},
pages={136-143},
ISSN={1751-8725}
}