Benedikovic, Daniel, Jan Litvik, Michal Kuba, and Milan Dado. “Spectral Transmission Characteristics of Andvanced Amplitude Modulation Formats”. Communications - Scientific letters of the University of Zilina 15, no. 2A (July 31, 2013): 67-70. Accessed April 6, 2026. http://journals.uniza.sk/index.php/communications/article/view/657.