Al-Gawagzeh, Mohammed Yousef, and Amjad Yousef Hendi. “Scattering Characteristics of Mirror Antennas With Discrete Reflectors”. Elektronika Ir Elektrotechnika, vol. 87, no. 7, Aug. 2008, pp. 89-92, https://doi.org/10.5755/j02.eie.11222.