@article{Willerstroem1982,
    author = "Willerstroem, J.O.",
    title = "The phase transformation in tantalum-germanium (Ta3 Ge9). I \\& II",
    journal = "Journal of the Less-Common Metals",
    year = "1982",
    volume = "86",
    pages = "85-104",
    ASTM_id = "JCOMAH"
}

@article{Willerstroem1981,
    author = "Willerstroem, J.O. and Rundqvist, S.",
    title = "Coordination and bonding in Fe3 P-Ti3 P-V3 S-Ta3 As-type compounds: The crystal structures of Hf3 Sb and h-Ta3 Ge",
    journal = "Journal of Solid State Chemistry",
    year = "1981",
    volume = "39",
    pages = "128-132",
    ASTM_id = "JSSCBI"
}

@article{Rossteutscher1965,
    author = "Rossteutscher, W. and Schubert, K.",
    title = "Strukturuntersuchungen in einigen T(4-5)-B(4-5) Systemen",
    journal = "Zeitschrift fuer Metallkunde",
    year = "1965",
    volume = "56",
    pages = "813-822",
    ASTM_id = "ZEMTAE"
}