1. S. P. Papkov, Physicochemical Principles of Polymer Solution Processing (Khimiya, Moscow, 1971) [in Russian].
2. S. P. Papkov, Physicochemical Principles of Production of Artificial and Synthetic Fibers (Khimiya, Moscow, 1972) [in Russian].
3. S. P. Papkov, Phase Equilibrium in Polymer-Solvent System (Khimiya, Moscow, 1981) [in Russian].
4. P. V. Kozlov and S. P. Papkov, Physicochemical Principles of Polymer Plasticization (Khimiya, Moscow, 1982) [in Russian].
5. N. F. Franks and J. K. Varga, US Patent No. 4290815 (1979).