1. A. A. Tager, Physical Chemistry of Polymers (Khimiya, Moscow, 1978) [in Russian].
2. S. P. Papkov and E. Z. Fainberg, Interaction of Cellulose and Cellulose Materials with Water (Khimiya, Moscow, 1976) [in Russian].
3. S. F. Grebennikov, Doctoral Dissertation in Chemistry (Leningrad, 1985).
4. V. E. Krakov, Candidate’s Dissertation in Chemistry (Moscow, 1986).
5. Sh. A. Azizov, R. Kh. Makhmudov, and M. A. Magrupov, Vysokomol. Soedin., Ser. B 33, 752 (1991).