@article {Polo-L{\'o}pez20192781,
	title = {On the Theoretical Maximum Directivity of a Radiating Aperture from Modal Field Expansions},
	journal = {IEEE Transactions on Antennas and Propagation},
	volume = {67},
	number = {4},
	year = {2019},
	note = {cited By 1},
	pages = {2781-2786},
	doi = {10.1109/TAP.2019.2896660},
	url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85064268357\&doi=10.1109\%2fTAP.2019.2896660\&partnerID=40\&md5=aaf2b48c5f18f5b72e611774c27cbfea},
	author = {Polo-Lopez, L. and J C{\'o}rcoles and Ruiz-Cruz, J.A. and Montejo-Garai, J.R. and Rebollar, J.M.}
}
