LI LIU; CHENGGUANG ZHANG; YU LIU; YUJIN HUA. A HIGH GAIN AND DIRECTIVITY BOW TIE ANTENNA BASED ON SINGLE-NEGATIVE METAMATERIAL. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe), [S. l.], v. 17, n. 2, p. 246–259, 2018. DOI: 10.1590/2179-10742018v17i21116. Disponível em: http://www.jmoe.org/index.php/jmoe/article/view/671. Acesso em: 25 jan. 2021.