1. J. H. Saunders and K. C. Frish, Polyurethanes. Chemistry and Technology. I. Chemistry, J. Wiley and Sons, New York, London (1962), pp. 41–58.
2. E. V. Stovbun, V. P. Lodygina, E. R. Badamshina, V. A. Grigor’eva, I. V. Doronona, and S. M. Baturin, Heterophase Network Polymers. Synthesis, Characterization and Properties, B. A. Rozenberg and G. M. Sigalov (Eds.), Taylor & Francis, London and New York (2002), pp. 129–138.
3. M. A. Zaverkina, V. P. Lodygina, E. V. Stovbun, E. R. Badamshina, and Yu. M. Mikhailov, Vysokomol. Soedin., Ser. B, 53, No. 9, 1642–1647 (2011) [M. A. Zaverkina, V. P. Lodygina, E. V. Stovbun, E. R. Badamshina, and Yu. M. Mikhailov, Polym. Sci., Ser. B, 53, No. 9–10, 505–510 (2011)].
4. M. A. Zaverkina, V. P. Lodygina, and E. R. Badamshina, Zh. Prikl. Spektrosk., 81, No. 1, 11–18 (2014) [M. A. Zaverkina, V. P. Lodygina, and E. Badamshina, J. Appl. Spectrosc., 81, No. 1, 7–14 (2014)].
5. S. Siggia and J. G. Hanna, Quantitative Organic Analysis Via Functional Groups, J. Wiley and Sons, New York (1979), pp. 17–79.