Belousko, A.V., V.M. Koval, and A.N. Shmyreva. “Functional Properties of Silicon Composites, Doped With Yttrium, for Thin-Film Photovoltaic Converters”. Electronics and Communications 15, no. 6 (November 29, 2010): 12–19. Accessed August 1, 2024. https://elc.kpi.ua/old/article/view/279347.