1. A.T.M. Wilbers, G.M.W. Kroesen, C.J. Timmermans, D.C. Schram: J. Spectrosc. Radiat. Transfer 45, 1?10 (1991)
2. C.J. Timmermans: Dissertation, University of Technology, Eindhoven (1984)
3. H.R. Griem: Spectral line broadening by plasmas (Academic, New York 1974)
4. V. Helbig: Proc. 11th European Sectional Conf. on the Atomic and Molecular Physics of Ionized Gases (ESCAMPIG), St. Petersburg, Russia, ed. by L. Tsendin, Europhysics Abstracts, Vol. 16F (1992) p. 20
5. H. Meuth, E. Sevillano: Microwave diagnostics, in Plasma Diagnostics, ed. by A. Auciello, D.L. Flamm, Vol. 1 (Academic, Boston 1989)