Valence changes and semiconductor-to-metal transitions in Tm1-xEuxSe and TmSe1-xTex B. Batlogg, E. Kaldis et P. WachterJ. Phys. Colloques, 40 C5 (1979) C5-370-C5-371DOI: https://doi.org/10.1051/jphyscol:19795131
