Kravchenko, A. V., S. V. Plaksin, and I. I. Sokolovskiy. 2005. “Active Thermostating of Semiconductor Microwave Generators”. Technology and Design in Electronic Equipment, no. 3 (June), 63-64. https://www.tkea.com.ua/index.php/journal/article/view/TKEA2005.3.63.