@article{Heinrich1976,
    author = "Heinrich, S. and Schubert, K.",
    title = "Kristallstruktur von Pt3 Ge2",
    journal = "Journal of the Less-Common Metals",
    year = "1976",
    volume = "45",
    pages = "125-135",
    ASTM_id = "JCOMAH"
}

@article{Oya1987,
    author = "Oya, Y. and Suzuki, T.",
    title = "The platinum-germanium phase diagram",
    journal = "Zeitschrift fuer Metallkunde",
    year = "1987",
    volume = "78",
    pages = "295-300",
    ASTM_id = "ZEMTAE"
}