@ARTICLE {20184, author={R. F. S. Caldeirinha and M. AL-Nuaimi}, doi={10.1049/iet-map.2016.0571}, journal={IET Microwaves, Antennas and Propagation}, title={Cross-polarisation discrimination studies of single trees at 20 and 62.4 GHz}, year={2017}, month={April}, volume={11}, number={5}, pages={695-704}, ISSN={1751-8725} }