Pure Appl. Chem., 1965, Vol. 11, No. 3-4, pp. 481-496
doi:10.1351/pac196511030481
The vibrational problem in molecules with nearly free internal rotation*
J. T. Hougen
All articles from the VIIIth European Congress on Molecular Spectroscopy, Copenhagen, Denmark, 14–20 August 1965.