1. Yearian, J. J., and Morral, F. R., Metals and Alloys, 12, 54, July 1940.
2. Bibring, H., Lenoir, G., and Sebilleau, F., Revue de Metallurgie, 56 pp. 279–287 1959.
3. Wagner, H. J., and Morral, F. R., “Metallurgy of Cobalt-Base Alloys. A Review”, AIME-IMD Meeting, Fall 1967.*
4. Sharp, W. H., “Status and Future of Cobalt- and Nickel-Base Alloys”, AIME Metallurgical Society Conference, 1961, on High Temperature Materials II, AIME 00118, New York, 1963, p. 189–204.
5. Pearlmutter, I., Journal of Metals, 6, 113–118, February 1954.