1. J. J. van Laar, Z. Phys. Chem. 72:723 (1910); J. J. van Laar, Z. Phys. Chem. 83:599 (1913); J. J. van Laar, Z. Anorg. Allgem. Chem. 185:35 (1929).
2. M. Margules, Sitzber. Alad. Wiss. Wien Math. Naturw. Kl II 104:1243 (1895).
3. J. Hildebrand, J. Am. Chem. Soc. 51:66 (1929); J. Hildebrand, J. Am. Chem. Soc. 57:866 (1935).
4. G. Scatchard, J. Am. Chem. Soc. 62:2426 (1940).
5. K. Wohl, Trans. Am. Inst. Chem. Eng. 42:215 (1946).