1. For background information and an extensive list of references see: Binder, K.: Critical behaviour at surfaces. In: Phase transitions and critical phenomena. Domb, C., Lebowitz, J.L. (eds.) Vol. 10. New York: Academic Press (to be published). A short summary of the field-theoretic work is given in [2]
2. Diehl, H.W.: J. Appl. Phys.53, 7914 (1982)
3. For a review on dynamic critical phenomena in the bulk see: Hohenberg, P.C., Halperin, B.I.: Rev. Mod. Phys.49, 435 (1977)
4. Bausch, R., Janssen, H.K., Wagner, H.: Z. Phys. B ? Condensed Matter24, 113 (1976)
5. Dominicis, C. de, Peliti, L.: Phys. Rev. B18, 353 (1978)