1. 2) E. A. MIZIKAR : Iron Steel Eng., (1970) June, p. 53
2. 3) H. JUNK : Neue Hütte, 17 (1972) 1, S 13
3. 5) H. MÜLLER and R. JESCHAR : Arch. Eisenhüttenwes., 44 (1973) 8, S 589
4. 6) C. J. HOOGENDOORN and R. den HOND : 5th Int. Heat Transfer Conf., Vol. IV (1974), p. 135