1. Alfrey, T., and G. Goldfinger: Copolymerisation of systems of three and more components. J. Chem. Phys. 12, 322 (1944).
2. Walling, C., and E. R. Briggs: Copolymerization. III. Systems containing more than two monomers. J. Am. Chem. Soc. 67, 1774 (1945).
3. Chapin, E. C., G. E. Ham, and R. G. Fordyce: Copolymerisation. IV. The validity of the tripolymer equation for the system: Styrene-vinyl chloridemethyl acrylate and styrene-vinyl chloride-acrylonitrile. J. Am. Chem. Soc. 70, 538 (1948).
4. Yuguchi, S., and M. Watanabe: Copolymerisation of acrylonitrile, methylacrylate and 2-vinylpyridine ternary system. Chem. High Polymers (Tokyo) 17, 465 (1960).
5. Ravve, A., J. T. Khamis, and L. X. Mallavaropu: A study on a three-component polymer formation. J. Polymer Sci. A 3, 1775 (1965).