@article{Schleid2009,
    author = "Schleid, T. and Lauxmann, P. and Graf, C. and Bartsch, C. and Doert, T.",
    title = "Lanthanoiddisulfide - Synthesen und Kristallstrukturen von alpha - Ce S2, alpha - Nd S2, beta - La S2, beta - Ce S2 und beta - Pr S2",
    journal = "Zeitschrift fuer Naturforschung, B: Chemical Sciences",
    year = "2009",
    volume = "64",
    pages = "189-196",
    ASTM_id = "ZNBSEN"
}

@article{Marsh1983,
    author = "Marsh, R.E. and Herbstein, F.H.",
    title = "Some additional changes in space groups of published crystal structures",
    journal = "Acta Crystallographica, Section B: Structural Science",
    year = "1983",
    volume = "39",
    pages = "280-287",
    ASTM_id = "ASBSDK"
}