1. I. I. Sobelman, Introduction to the Theory of Atomic Spectra, Pergamon, Oxford (1973).
2. H. R. Griem, Spectral Line Broadening in Plasmas, Academic Press, New York (1978).
3. L. A. Vainshtein, I. I. Sobel’man, and E. A. Yukov, Excitation of Atoms and Broadening of Spectral Lines [in Russian], Nauka, Moscow (1979).
4. Yu. L. Klimontovich, Kinetic Theory of Electromagnetic Processes [in Russian], Nauka, Moscow (1980).
5. NBS Special Publication 336 (1972) [Suppl. I (1973), Suppl. II (1975)].