Kutsenko, V. N., and T. V. Levchenko. “Multifunctional Data Transmission and Reception Equipment Z-501”. Technology and design in electronic equipment, no. 2 (April 3, 2004): 17-18. Accessed June 1, 2026. https://tkea.com.ua/index.php/journal/article/view/TKEA2004.2.17.