1. Sidel’kovskaya, F.P., Khimiya N-vinilpirrolidona i ego polimerov (Chemistry of N-Vinylpyrroilidone and Its Polymers), Moscow: Nauka, 1970.
2. Kirsh, Yu.E., Poli-N-vinilpirrolidon i drugie poli-Nvinilamidy (Poly-N-vinylpyrrolidone and Other Poly-Nvinylamides), Moscow: Nauka, 1998.
3. Vorob’eva, A.I., Prochukhan, Yu.A., and Monakov, Yu.B., Vysokomol. Soedin., Ser. S, 2003, vol. 45, no. 12, pp. 2118–2136.
4. Boyarkina, N.M., Kryuchkov, V.V., Parkhamovich, E.S., et al., Plast. Massy, 1987, no. 8, pp. 17–20.
5. USSR Inventor’s Certificate no. 910664.