Bobalo, Yuriy, et al. “HARDWARE AND SOFTWARE REALIZATION OF THE TRANSMISSION OF AUDIO INFORMATION ENCRYPTED BY CHAOTIC SEQUENCES ”. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, vol. 4, no. 4, Dec. 2014, pp. 53-55, doi:10.5604/20830157.1130190.