Krukovsky, S. I., and Yu. E. Nikolaenko. “Solar Cells Based on Tandem GaAs–InGaAs–AlGaAs Heterostructures”. Technology and design in electronic equipment, no. 6 (December 30, 2003): 39-40. Accessed May 20, 2026. https://www.tkea.com.ua/index.php/journal/article/view/TKEA2003.6.39.