TY - JOUR AU - Xu, L AU - Hougen, Jon AU - Lees, R AU - Mekhtiev, M C2 - Journal of Molecular Spectroscopy DA - 2002-01-01 00:01:00 LA - en M1 - 214 PB - Journal of Molecular Spectroscopy PY - 2002 TI - Torsional Angle Definitions and Linear and Quadratic Force Field Variations along the Torsional Coordinate for CH3 OH and CH3CHO ER -