by Alferov, Zh. I., Bagaev, V. S., Volkov, B. A., Gippius, A. A., Golovashkin, A. I., Grishechkina, S. P., Demeshina, A. I., Zasavitskii, I. I., Isakov, A. I., Keldysh, L. V., Kopaev, Yu. V., Kopylovskii, B. D., Krokhin, O. N., Nadezhdinskii, A. I., Neizvestnyi, I. G., Penin, N. A., Popov, Yu. M., Sibel’din, N. N., Stafeev, V. I., Chuenkov, V. A., Shestakov, V. V., Yunovich, A. É.
Published in Semiconductors (Woodbury, N.Y.) (01.11.2001)

by Vul, B M, Karasik, V R, Kopylovskii, B D, Kurganov, G B, Vysotskii, V S, Pronkin, D V, Efimov, Yu A, Agapov, G I
Published in Soviet journal of quantum electronics (30.09.1975)