1. B.B. Mandelbrot: The Fractal Geometry of Nature ( Freeman, San Francisco 1977 )
2. P.G. de Gennes: Scaling Concepts in Polymer Physics ( Cornell University Press, Ithaca 1979 )
3. J. des Cloizeaux, G. Jannink- Polymers in Solution ( Clarendon Press, Oxford 1987 )
4. P.J. Flory: Principles of Polymer Chemistry ( Cornell University Press, Ithaca 1953 )
5. M. Gordon, S.B. Ross-Murphy: Pure Appl. Chem. 43, 1 (1975)