1. L.G. Akselrud, Yu.N. Grin, V.K. Pecharsky, P.Yu. Zavalij, CSD-universal program package for single crystal and powder data treatment, in: XIIth Eur. Crystallogr. Meeting, Moscow 3, 1989, p. 155.
2. The Theory of the Properties of Metals and Alloys;Mott,1958