1. G. C. Benson, K. S. Yun:Phase Boundary between Gases and Solids, (Mir, Moskau 1970)
2. V. I. Kruglov, P. P. Konorov, P. A. Poikov, N. A. Priyatkin: Sov. Phys. Sem.8, 986 (1975)
3. E. W. Kreutz, J. Roth: In Proc. 3rd Intern. Conf. on Thin Films, Budapest (1975) in press
4. E. W. Kreutz: Jap. J. Appl. Phys. Suppl.2, part 2 445 (1974)
5. C. B. Norris: J. Appl. Phys.43, 4060 (1972)