1. R. H. Huddlestone and S. L. Leonard (editors), Plasma Diagnostic Techniques, Academic Press (1965).
2. O. V. Kozlov, Electrical Probes in Plasma [in Russian], Atomizdat, Moscow (1969).
3. I. D. Zimina, A. I. Maksimov, and V. I. Svettsov, Zh. Fiz. Khim.,45, 1595 (1971).
4. T. Ikuzo, J. Chem. Phys.,36, 3170 (1962).
5. C. Mavroyannis and C. A. Winkler, Canad. J. Chem.,40, 240 (1962).