JAHN-TELLER EFFECT IN THE PARITY-FORBIDDEN TRANSITION 2p1/2 → 2p3/2 OF T10 IN KCl K. CHOJ. Phys. Colloques, 34 C9 (1973) C9-127-C9-130DOI: https://doi.org/10.1051/jphyscol:1973923
