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  1. 1
    Railroad Tie Decay Comprising The Decay of Ties in Storage: Defects in Cross Tis, Caused by Fungi

    Railroad Tie Decay Comprising The Decay of Ties in Storage: Defects in Cross Tis, Caused by Fungi 由 Humphrey, C.J

    出版 1939
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  2. 2
    Timber storage conditions in the eastern and southern states with reference to decay problems

    Timber storage conditions in the eastern and southern states with reference to decay problems 由 Humphrey, C.J

    出版 1929
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