1. V.N. Eremenko, I.M. Obushenko, Powder Metallurgy and Metal Ceramics 19, 482 (1980)
2. G.V. Samsonov, V.N. Bondarev, Germanides [in Russian] (Metallurgiya, Moscow, 1968)
3. S.A. Nikitin, I.A. Ovtchenkova, Y.V. Skourski, A.V. Morozkin, J. Alloys Comp. 345, 50 (2002)
4. L. Kaufman, H. Bernstein, Computer Calculation of Phase Diagrams with Special Reference to Refractory Metals (Academic Press, New York, 1970)
5. U.R. Kattner, H. Seifert, Calphad 34, 385 (2010)