1. Abraham K.P. (1959) Thermodynamic aspects of some silicate melts. Ph.D. Dissertation, Univ. London. England.
2. Abraham K.P. Davies M.W. Richardson F.D. (1960a) Activities of manganese oxide in silicate melts. Iron Steel Inst. J. 196: 8–87.
3. Abraham K.P. Davies M.W. Richardson F.D. (1960b) Sulphide capacities in silicate melts. Part I. Iron Steel Inst. J. 196: 309–312.
4. Belton G.R., Choudary U.V. Gaskell (1974) Thermodynamics of mixing of sodium-potassium silicates. In Physical Chemistry of Process Metallurgy: The Richardson Conference (ed. J.H.E. Jeffes and R.J. Tait). Instn. Mining Metall., London.
5. Buchanan D.L. Nolan J. (1979) Solubility of sulfur and sulfide immiscibility in synthetic tholeiitic melts and their relevance to Bush veld-Complex rocks. Can. Mineral. 17:483–494.