1. Glansdorff, P., Prigogine, I.: Thermodynamics of Structure, Stability and Fluctuations. New York: Wiley Interscience 1971 Nicolis, G., Prigogine, I.: Self-Organization in Nonequilibrium Systems. New York: J. Wiley and Sons 1977
2. Haken, H.: Z. Physik B21, 105 (1975)
3. Graham, R.: Springer Tracts on Modern Physics66, Berlin-Heidelberg: Springer 1973
4. Kawasaki, K.: Progr. Theor. Phys.52, 84 (1974)
5. Van Kampen, N.: Adv. Chem. Phys.34, 245 (1976)