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    ASTM_id = "JACSAT"
}

@article{Chen1998,
    author = "Chen, C.-Y. and Finger, L.W. and Medrud, R.C. and Kibby, C.L. and Crozier, P.A. and Chan, I.Y. and Harris, T.V. and Beck, L.W. and Zones, S.I.",
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    year = "1998",
    volume = "4",
    pages = "1312-1323",
    ASTM_id = "CEUJED"
}

@article{Chen1997,
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    pages = "1775-1776",
    ASTM_id = "CHCOFS"
}