1. R. Dagoni, Chem. Eng. News,70, No. 47, 18–24 (1992).
2. Yu. S. Lipatov and L. M. Sergeeva, Interpenetrating Polymer Networks [in Russian], Naukova Dumka, Kiev (1979).
3. P. Behrens, Adv. Mater.,5, No. 2, 127–132 (1993).
4. M. Estermann, Nature,11, 308 (1991).
5. S. Greg and K. Singh, Adsorption, Specific Surface, and Porosity [Russian translation], Mir, Moscow (1984), p. 36.