1. M. Plavšić, Polymer Materials Science and Engineering, Naučna knjiga, Belgrade (1996), in Serbian.
2. P. J. Flory, Principles of Polymer Chemistry, Cornell Univ. Press, Ithaca (1953);
3. P. Flory, Statistics of Chain Molecules, Interscience-Wiley, New York (1969); and references therein.
4. C. Levinthal, J. Chim. Phys., 65 (1968), p.44.
5. C. B. Anfinsen, Science, 181 (1973), p.223, and references therein.