Melebayew, D., G. D. Melebayewa, Y. V. Rud, and V. Y. Rud. “Spectral Photoresponse of Ni–n-GaAs surface‑barrier Structures”. Technology and Design in Electronic Equipment, no. 1, Feb. 2008, pp. 31-34, https://www.tkea.com.ua/index.php/journal/article/view/TKEA2008.1.31.