1. Allan, D.W., Shoaf, J.H., Halford, D., 1974. Statistics of time and frequency data analysis. In: B.E. Blair (Ed.), Time and Frequency: Theory and Fundamentals, NBS Monograph 140, pp. 151–204.
2. Atkins’ Physical Chemistry;Atkins,2002
3. Introduction to Molecular Spectroscopy;Barrow,1962
4. Bestimmung der Absorption des rothen Lichts in farbigen Flüssigkeiten;Beer;Ann. Phys.-Leipzig,1852
5. An optical IR source and CO2 chamber system for CO2 measurements;Corman;J. Microelectromech. Syst.,2000