15 Aug 2002 / Chapter in "Atomistic Aspects of Epitaxial Growth", Eds. M. Kotrla, N.I. Papanicolaou, D.D. Vvedensky and L.T. Wille, NATO Science Series, II. Mathematics, Physics and Chemistry, Vol. 65, pp. 441-428. (Kluwer Academic Publishers, Dordrecht/Bo |