1. E. E. Nikitin and B. M. Smirnov, Atomic-Molecular Processes (Nauka, Moscow, 1988) [in Russian].
2. A. N. Klyucharev, Phys. Usp. 36, 486 (1993).
3. A. N. Klyucharev, V. G. Mishakov, and N. A. Timofeev, Introduction to Physics of Low Temperature Plasma (SPb. Gos. Univ., St.-Petersburg, 2011). http://www.phys.sbru.ru/content/File/dekanatFiLes/mishakov
4. B. R. Oppenheimer, S. R. Kulkarni, K. Matthews, et al., Science 270, 1478 (1995).
5. M. Mayor and D. Queloz, Nature 378, 355 (1995).