1. W. K. Burton, N. Cabrera, and F. C. Frank,Phil. Trans. R. Soc. A 243:229 (1951).
2. J. D. Weeks, inOrdering in Strongly Fluctuating Condensed Matter Systems, T. Riste, ed. (Plenum Press, New York, 1980); H. van Beijeren and I. Nolden, inStructure and Dynamics of Surfaces II, W. Schommers and P. von Blackenhagen, eds. (Springer-Verlag, Berlin, 1987); I. Nolden, Thesis, University of Utrecht (1990).
3. J. D. Weeks and G. H. Gilmer,Adv. Chem. Phys. 40:157 (1979).
4. F. Family and T. Vicsek,J. Phys. A 18:L75 (1985).
5. M. Kardar, G. Parisi, and Y. C. Zhang,Phys. Rev. Lett. 56:889 (1986).