@article{Brunn1975,
    author = "Brunn, H. and Hoppe, R.",
    title = "Ueber Rb Se O2 (Se La, Nd, Sm, Eu, Gd) sowie Cs Nd O2",
    journal = "Zeitschrift fuer Anorganische und Allgemeine Chemie (1950) (DE)",
    year = "1975",
    volume = "417",
    pages = "213-220",
    ASTM_id = "ZAACAB"
}