1. Vacuum Metallurgy;Choudhury,1985
2. Proceedings of the 4th International Symposium on ESR;Elliot,1973
3. A.S. Ballantyne, Ph.D. Thesis Metallurgical Engineering UBC Vancouver, 1978.
4. Electroslag Refining;Mitchell,1973
5. Proceedings of the 6th International Conference on Vacuum Metallurgy;Jeanfils,1974