Dmitriev, V., S. Prosvirnin, V. Tuz, and M. N. Kawakatsu. “Electromagnetic Controllable Surfaces Based on Trapped-Mode Effect”. Advanced Electromagnetics 1, no. 2 (October 9, 2012): 89-95. Accessed July 5, 2020. https://www.aemjournal.org/index.php/AEM/article/view/109.