CUMMING, J. D. (1956). DIAMOND DRILL HANDBOOK. JAICO PUBLISHING HOUSE.
Chicago-čujuhus (17. p.)CUMMING, JAMES D. DIAMOND DRILL HANDBOOK. CANADA: JAICO PUBLISHING HOUSE, 1956.
MLA-čujuhus (9. p.)CUMMING, JAMES D. DIAMOND DRILL HANDBOOK. JAICO PUBLISHING HOUSE, 1956.
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