Doktorov77

E. V. Doktorov, I. A. Malkin, and V. I. Manko, “Dynamical symmetry of vibronic transitions in polyatomic-molecules and Franck-Condon principle. 2. ,” J. Mol. Spec., 64 (1977) 302-26. DOI: 10.1016/0022-2852(77)90269-7