1. F. Schmaderer, R. Huber, H. Oetzmann and G. Wahl, Appl. Surf. Sci. 46 (1990) 53.
2. H. Yamane, M. Hasei, H. Kurosawa and T. Hirai, in “Proceedings of Symposium Al”, ICAM 1991, edited by L. Correra (Elsevier, Amsterdam 1992) p. 319.
3. T. Sugimoto, M. Nakagawa, Y. Yoshihara and S. Tanaka, Phys. C 192 (1992) 108.
4. V. N. Fuflyigin, A. R. Kaul and S. A. Pozigun, J. Phys. IV (1993) Coll. C3, suppl. J. Phys. II 3 (1993) 361.
5. G. Wahl, W. Decker, A. Nürnberg, A. Kaul, R. Stolle and M. Pulver, in “Proceedings of the International Symposium CVD-XII”, Honolulu 1993, edited by K. F. Jensen and G. W. Cullen (The Electrochemical Soc., Pennington, NY) pp. 264–76.