L. V. Medyakova, Z. M. Rzaev, A. S. Mamedov, and M. A. Mamedova, “Complex-Radical Terpolymerization of Maleic Anhydride (Styrene), Allyl Propionate and Methyl Methacrylate”, Eurasian Chem.-Technol. J., vol. 2, no. 2, pp. 137–147, Jun. 2000.