WOO, D. S.; LEE, C.-H.; KIM, K. W.; CHOI, H.-C. An Octave Bandwidth Metamaterials-based Hexagonal Patch Antenna. Elektronika ir Elektrotechnika, [S. l.], v. 21, n. 5, p. 44-47, 2015. DOI: 10.5755/j01.eee.21.5.13325. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/13325. Acesso em: 29 mar. 2024.