@article{Ziegler1976,
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    journal = "Helvetica Physica Acta",
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    ASTM_id = "HPACAK"
}

@article{Zhuravlev2010,
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    year = "2010",
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    ASTM_id = "JSTCAM"
}

@article{Carter1953,
    author = "Carter, G.F. and Templeton, D.H.",
    title = "Polymorphism of sodium superoxide",
    journal = "Journal of the American Chemical Society",
    year = "1953",
    volume = "75",
    pages = "5247-5249",
    ASTM_id = "JACSAT"
}