1. Goryunova, N.A., Averkieva, G.K., Alekseev, Yu.V.: Quaternary Homogeneous Phases with Zinc Blend Structure based on Cu2GeSe3; Izv. Mold. Fil. Akad. Nauk SSSR, 3(69), 99-100 (1960)
2. Palatnik, L.S., Komnik, Yu.F., Koshkin, V.M., Belova, E.K.: About One Group of Ternary Semiconducting Compounds; Dokl. Akad. Nauk SSSR, 137(1), 68-71 (1961)
3. Palatnik, L.S., Komnik, Yu.F., Belova, E.K., Atroshchenko, L.V.: Investigation of the Ternary Semiconductor Compounds Containing Copper and Elements of Groups IV and VI; Kristallografiya, 6(6), 960-954 (1961)
4. Bok, L.D.C., de Wit, J.H.: Ternary Sulphides and Selenides; Z. Anorg. Allg. Chem., 324(3-4), 162-167 (1963)
5. Palatnik, L.S., Komnik, Yu.F., Belova, E.K., Atroshchenko, L.V.: X-ray Study of the Ordering Processes in Three-Component Semiconductor Compounds; Ukr. Fiz. Zh., 8(2), 263-268 (1963)