1. Flory PJ (1953) Principles of Polymer Chemistry. Cornell University Press, Ithaca, NY
2. Katchalsky A, Michaeli J (1955) J Polym Sci 9: 69
3. Katchalsky A, Alexandrowicz Z, Kedem O (1966) In Conway BE, Barradas RC (eds) Polyelectrolyte Solutions in Chemical Physics and Ionic Solutions. Wiley New York
4. Hasa J, Ilavsk� M, Du?ek K (1975) J Polym Sci 13: 253
5. Ko?�k C, Bansil R (1989) Polymer 30: 677