1. 1) T. BAGSHAW: Third Int. Symp. on Electroslag and other Special Melting Tech.,(1971), part 2, p. 183, Mellon Inst. Pa., USA
2. 2) A. E. J. FORNO, M. E. PEOVER, and T. S. POWELL: JISI, 209 (1971), p.966
3. 3) D. N. POCKLINGTON: JISI, 211 (1973), p.419
4. 4) G. K. BHAT: First Int. Symp. on Electroslag and Consumable Electrode and Casting Tech.(1967), part 1. Mellon Inst., Pa., USA
5. 5) D. J. SALT: First Int. Symp. on Electroslag and Consumable Electrode and Casting Tech.(1967), part 1. Mellon Inst., Pa., USA