1. As a general introduction into problems of crystal growth, the reader is referred to D. Elwell, H.J. Scheel: Crystal Growth from High Temperature Solutions (Academic Press, London 1975)
2. The theoretical aspects of crystal surface dynamics have been reviewed by H. Müller-Krumbhaar: In Current Topics in Materials Science, ed. by E. Kaldis, Vol. I (North-Holland, Amsterdam 1977) Chap.1
3. J.P. v.d. Eerden, P. Bennema, T.A. Cherepanova: In Progress in Crystal Growth and Assessment, ed. by B.R. Pamplin, No. 3 (Pergamon Press, Oxford 1977) (Review)
4. G.H. Gilmer, K.A. Jackson: In Proc. of the 1st European Conference on Crystal Growth, Current Topics in Materials Science, Vol. II, ed. by E, Kaldis, H.J. Scheel (North-Holland, Amsterdam 1977) (Review)
5. K. Binder, P.C. Hohenberg: Phys. Rev. B 6, 3461 (1972); B 9, 2194 (1974) concerning the difference between “surface” and “interface”