Karimov, A. V., D. M. Yodgorova, and O. A. Abdulkhaev. “Gallium Arsenide p+–n–p+-Structures With Impoverished Base Area”. Technology and Design in Electronic Equipment, no. 3, June 2009, pp. 28-31, https://www.tkea.com.ua/index.php/journal/article/view/TKEA2009.3.28.