N. E. Kuz'menko, L. A. Kuznetsova, A. P. Monyakin, Yu. Ya. Kuzyakov, Yu. A. Plastinin, “Electronic transition probabilities and lifetimes of electronically excited states of diatomic molecules”, UFN, 127:3 (1979), 451–478; Phys. Usp., 22:3 (1979), 160–173
