1. P. J. Flory ,The Physics of Polymer Chemistry(Cornell University Press, Ithaca, 1954).
2. P. G. de Gennes ,Scaling Concepts in Polymer Physics(Cornell University Press, Ithaca, 1993).
3. D. Stauffer and A. Aharony ,Introduction to Percolation Theory(Taylor & Francis, London, 1992).
4. Gelation and critical phenomena
5. Critical exponents for the sol-gel transition