@article{Brown1963,
    author = "Brown, A. and Norreys, J.J.",
    title = "The system thorium-germanium",
    journal = "Journal of the Less-Common Metals",
    year = "1963",
    volume = "5",
    pages = "302-313",
    ASTM_id = "JCOMAH"
}

@article{Brown1962,
    author = "Brown, A.",
    title = "The crystal structures of two thorium germanide phases with compositions approximating to Th.9 Ge2 and Th Ge2",
    journal = "Acta Crystallographica (1,1948-23,1967)",
    year = "1962",
    volume = "15",
    pages = "652-656",
    ASTM_id = "ACCRA9"
}