1. The surface roughening transition has been reviewed by H.J. Leamy, G.H. Gilmer, K.A. Jackson: In Surface Physics of Materials I, ed. by J.B. Blakeley ( Academic, New York 1975 ) p. 121;
2. J.D. Weeks: In Ordering in Strongly Fluctuating Condensed Matter Systems, ed. by T. Riste ( Plenum, New York 1980 ) p. 293
3. G.H. Gilmer, P. Bennema: J. Appl. Phys. 43, 1347 (1972);
4. S.W.H. de Haan, V.J.A. Meeussen, B.P. Veltman, P. Bennema, C. van Leeuwen, G.H. Gilmer: J. Crystal Growth 24/25, 491 (1974)
5. A review of surface roughening and crystal growth kinetics in general is provided by J.D. Weeks, G.H. Gilmer: Advances in Chem. Phys. 40, 157 (1979).