Chodorow, Urszula, Janusz Parka, and Olga Chojnowska. “Liquid Crystal Materials in THz Technologies”. Photonics Letters of Poland 4, no. 3 (September 28, 2012): pp. 112–114. Accessed November 23, 2024. http://photonics.pl/PLP/index.php/letters/article/view/4-40.