1. Leamy, H.Y. and Jackson, K.A., J.Appl.Phys., 42 (1971) 2121.
2. Solovyev, V.V. and Borisov, V.T., DAN USSR, 102 (1972) 329.
3. Yesin, V.O., Danilyuk, V.I., Plishkin, Y.M. and Podchinenova, G.L., Crystallography (USSR), 18 (5) (1973) 920.
4. Cherepanova, T.A. and Kiseljov, V.F., Compil. “Problems of Crystallisation Theory II” (USSR), Riga, 61 (1975).
5. Borisov, V.T., DAN USSR, 142 (1) (1962) 69.