1. E.G. Osadchii, V.I. Sorokin, The Sulfur Systems that contain Stannite, Nauka, Moscow, 1989, p. 135.
2. N.H. Abricosov, V.F. Bankina, L.V. Poretskaya, E.V. Skydnova, S.N. Chizhevskaya, Semiconductive Halcogenides and Alloys on the their Base, Nauka, Moscow, 1975, p. 219.
3. Melting Points of II-VI Compounds under Argon Pressure
4. N.H. Abricosov, L.E. Shelimova, Semiconductive Materials on the Base of AIVBVI Compounds, Nauka, Moscow, 1975, p. 192.