1. 1) E. T. TURKDOGAN : Physicochemical Properties of Molten Slags and Glasses (1983) [The Metal Society, London]
2. 2) G. W. Toop and C. S. SAMIS : Trans. TMS-AIME, 224 (1962), p. 873, Can. Metall. Quart., 1 (1962), p. 129
3. 3) C. R. MASSON : Proc. Roy. Soc., A287 (1965), p. 1409, S. G. WHITEWAY, I. B. SMITH and C. R. MASSON : Can. J. Chem., 48 (1970), p. 33, p. 201, p. 1456
4. 4) T. YOKOKAWA and K. NIWA : Trans. Jpn. Inst. Met., 10 (1969), p. 3, p. 83
5. 5) C. BORGIANNI and P. GRANATI : Metall. Trans. B, 8 (1977), p. 147, 10 (1979), p. 21