Theoretical study of the pair configurations 4f13 6s6p and 4f12 5d6s2 of Tm I.
Étude théorique des configurations paires 4f13 6s6 p et 4f12 5d6s2 de Tm I
J. Phys. France, 27 11-12 (1966) 717-725
DOI: 10.1051/jphys:019660027011-12071700