TY - JOUR AU - Hougen, Jon AU - Kleiner, I AU - Godefroid, M C2 - Journal of Molecular Spectroscopy DA - 1994-01-01 LA - en M1 - 163 PB - Journal of Molecular Spectroscopy PY - 1994 TI - Selection Rules and Intensity Calculations for a Cs Asymmetric Top Molecule Containing a Methyl Group Internal Rotor ER -