1. Herzberg, G. 1955.Molecular Spectra and Molecular Structure, Vol. 1, Spectra of Diatomic Molecules518Princeton, NJ: Van Nostrand. Table 39,p.
2. Herzberg, G. 1971.The Spectra and Structures of Simple Free Radicals84Ithaca, NY: Cornell University Press.
3. �ber das Kombinationsprinzip und einige neue Bandentypen
4. Die Terme der (C + H)-Banden