1. W. Demptröder, Laser Spectroscopy, Springer, N.Y. (1981).
2. N. M. Vyazovetskii, A. I. Didyukov, V. Yu. Kirko, Yu. A. Kulagin, and L. A. Shelepin, ?Determination of the parameters of gaseous media from measurements of the spectral distribution of the gains,? FIAN Preprint No. 221, Moscow (1988).
3. A. N. Tikhonov and V. Ya. Arsenin, Methods of Solving Ill-Posed Problems [in Russian], Nauka, Moscow (1974).
4. V. F. Gordiets, A. I. Osipov, and L. A. Shelepin, Kinetic Processes in Gases, and Molecular Lasers [in Russian], Nauka, Moscow (1980).
5. A. W. Mantz, J.-P. Maillard, Won B. Roth, and K. N. Rao, ?Ground state molecular constant of12C16O,? J. Mol. Spectrosc.,57, 155?159 (1975).