Study of 4f6 and 4f55d6s2odd configurations of Sm I
Étude des configurations impaires 4f6 6s6p et 4 f55d6s2 de Sm I
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J. Phys. France, 29 8-9 (1968) 729-738
DOI: 10.1051/jphys:01968002908-9072900