SYMMETRY AND ENERGY DEPENDENCE OF ROTATIONAL TRANSFERS BY COLLISIONS OF DIATOMIC HYDRIDE EXCITED STATES O. NEDELEC, J. DUFAYARD et M. GIROUD J. Phys. Colloques, 48 C7 (1987) C7-633-C7-635 DOI: 10.1051/jphyscol:19877153