N. G. Almasov, O. Yu. Prikhodko, K. D. Tsendin, “Inversion of the impurity conductivity sign in As$_2$Se$_3$:Bi films deposited by two different methods”, Fizika i Tekhnika Poluprovodnikov, 46:10 (2012), 1319–1321; Semiconductors, 46:10 (2012), 1296–1298
