L. D. Finkelshtein, N. D. Samsonova, R. N. Senova, T. P. Alekseeva, T. V. Kazarbina, T. I. Arbuzova, “Eu valence state in sulfide phases containing $d$-elements of IV and V groups”, Fizika Tverdogo Tela, 26:11 (1984), 3442–3445
Organisations
Institute of Metal Physics of the Ural Scientific Center of the Academy of Sciences SSSR