Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) S. Egashira and Akihide Sakitani and Y. Yamaguchi and Eisuke Nishiyama,Numerical analysis of circular patch microstrip antenna with a dielectric element,Proceedings of IEEE Antennas and Propagation Society International Symposium,,IEEE,2002-12-30,,,1458-1461,https://cir.nii.ac.jp/crid/1870583642895384192,https://doi.org/10.1109/aps.1993.385469