1. J. J. Wagner and W. W. Brandt, Proc. Fourth International Symposium on Plasma Chemistry, Zürich, 1979, p. 120.
2. R. d'Agostino and D. L. Flamm,J. Appl. Phys.,52, 162 (1981).
3. G. Bruno, P. Capezzuto, F. Cramorossa, R. d'Agostino, and G. Latrofa, Proc. Fourth International Symposium on Plasma Chemistry, Zürich, 1979, p. 460.
4. K. M. Eisele,J. Electrochem. Soc. 128, 123 (1981).
5. A. J. Ahearn and N. B. Hannay,J. Chem. Phys. 21, 119 (1953).