1. F.F. Chen, in Plasma Diagnostic Techniques, edited by R. H. Huddlestone and S. L. Leonard (Academic, New York, 1965).
2. L. Schott, in Plasma diagnostics, edited by W. Lochte-Holtgreven (North–Holland, Amsterdam, 1968).
3. J.D. Swift and M.J. R. Schwar, Electric Probes for Plasma Diagnostics (American Elsevier, New York, 1969).
4. P.C. Stangeby, Plasma Diagnostics: Surface Analysis and Interactions (Academic, New York, 1989).
5. P. C. Stangeby and G. M. McCracken, Nucl. Fusion 30, 1225 (1990).NUFUAU0029-5515