1. Reviews of the field are given by Gunton, J.D., San Miguel, M., Sahni, P.S.: In: Phase transitions and critical phenomena, Vol. 8. Domb, C., Lebowitz, J.L. (eds.). New York: Academic Press 1983; Furukawa, H.: Adv. Phys.34, 703 (1985); Binder, K.: Rep. Prog. Phys.50, 783 (1987); Langer, J.S.: In: Solids far from equilibrium. Godreche, C. (ed.). Cambridge: Cambridge University Press 1992
2. Lifshitz, I.M.: Sov. Phys.-JETP15, 939 (1962)
3. Allen, S.M., Cahn, J.W.: Acta Metallus27, 1085 (1979)
4. Lifshitz, I.M., Slyozov, V.V.: J. Phys. Chem. Solids19, 35 (1961); Huse, D.A.: Phys. Rev. B34, 7845 (1986)
5. Bray, A.J.: Phys. Rev. B41, 6724 (1990)