1. Molecular Spectra and Molecular Structure III. Electronic Spectra and Electronic Structure of Polyatomic Molecules;Herzberg,1966
2. Vibration-rotation interactions in infrared active overtone levels of spherical top molecules; 2ν3 and 2ν4 of CH4, 2ν3 of CD4
3. Molecular Spectra and Molecular Structure II: Infrared and Raman Spectra of Polyatomic Molecules;Herzberg,1964
4. Molecular Vibrations;Wilson,1955