1. Schlackenatlas, Verlag Stahleeisen M. B. H., Dusseldorf, 1981, p. 208.
2. Phase Equilibrium Diagram CaO-CaF2-2CaO.SiO2
3. L. H. Hillert , in Acta Polytechnic Scandinavia (Chemistry including Metallurgy Series), N 90, Royal Swedish Academy of Engineering Science, Stockholm, 1979.