JANKAUSKAS, Z.; LAURINAVICIUS, L. The Ring-Shaped Antenna Modelling and Diffraction Measurements Modulator. Elektronika ir Elektrotechnika, [S. l.], v. 30, n. 1, 2001. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/18685. Acesso em: 27 sep. 2022.