Plaksin, S. V., L. M. Pogorelaja, and I. I. Sokolovskij. “Semiconductor Generator Module for Medical and Biological Applications”. Technology and Design in Electronic Equipment, no. 6, Feb. 2006, pp. 30-33, https://www.tkea.com.ua/index.php/journal/article/view/TKEA2006.6.30.