Ivashchuk, A. V., V. I. Bosy, and V. N. Kovalchuk. “Microwave Field-Effect Transistors of Medium Power in the Millimeter Wavelength Range”. Technology and Design in Electronic Equipment, no. 6, Dec. 2003, pp. 27-31, https://www.tkea.com.ua/index.php/journal/article/view/TKEA2003.6.27.