1. J. W. Edington and R. E. Smallman, Acta Met. 13 (1955) 155.
2. Jacquet, Rev. de Met. 55 (1958) 531.
3. W. Rostoker, ?The Metallurgy of Vanadium? (J. Wiley Publ., New York); W. Rostoker and A. S. Yamamoto, Trans. AIME 47 (1955) 1002.
4. A. U. Seybolt and H. T. Sumsion, ibid 5 (1953) 292.
5. L. A. Chirkina, Sov. Phys. Solid State 10 (1968) 735.