G. D. Tomović and S. N. Suljović, “Diversity System for Demodulation BFSK Signals in the Presence of Rayleigh Fading”, ELEKTRON ELEKTROTECH, vol. 88, no. 8, pp. 59–62, Oct. 2008, Accessed: Feb. 07, 2026. [Online]. Available: https://eejournal.ktu.lt/index.php/elt/article/view/11332