N. N. Bezryadin, G. I. Kotov, I. N. Arsent'ev, Yu. N. Vlasov, A. A. Starodubtsev, “Effect of the finishing treatment of a gallium arsenide surface on the spectrum of electron states in $n$-GaAs (100)”, Fizika i Tekhnika Poluprovodnikov, 46:6 (2012), 756–760; Semiconductors, 46:6 (2012), 736–740
