Zasavitsky I.I. , Nadezdinskiy A.I. Spectral gas analysis of polyatomic molecules by tunable diode lasers. Monitoring of gaseous pollutants by tunable diode lasers. Int. Symp. Proc. Freiburg, F.R.G., 13-14 Nov. 1986. / Ed. R.Grisar, H.Preier, G.Schmidtke, G.Restelli , с. P.95-106 Shotov A.P. , Zasavitsky I.I. , Astakhov V.I. , Galaktionov V.V. , Kosichkin Y.V. , Nadezdinskiy A.I. , Khattatov V.U. Carbonic oxide content measurements over sounding paths in the ground atmospheric layer with the use of a tuned semiconductor laser. IAMAR Third Scientific Assembly. 17-28 Aug. 1981, Hamburg , с. P.112