@article{Menge1976,
    author = "Menge, G. and von Schnering, H.G.",
    title = "Gadoliniumpentaphosphid Gd P5",
    journal = "Zeitschrift fuer Anorganische und Allgemeine Chemie (1950) (DE)",
    year = "1976",
    volume = "422",
    pages = "226-230",
    ASTM_id = "ZAACAB"
}

@article{Wichelhaus1976,
    author = "Wichelhaus, W. and von Schnering, H.G.",
    title = "Die Pentaphosphide des Lanthans und Neodyms, La P5 und Nd P5",
    journal = "Zeitschrift fuer Anorganische und Allgemeine Chemie (1950) (DE)",
    year = "1976",
    volume = "419",
    pages = "77-86",
    ASTM_id = "ZAACAB"
}