editor, Joseph W. Leonard ; associate editors, Kenneth K. Humphreys ... [et al.]American Institute of Mining, Metallurgical, and Petroleum Engineers1979
ed. Joseph W. Leonard and David R. Mitchell ; associate ed. Kenneth K. Humphreys ... [et al.]American Institute of Mining, Metallurgical, and Petroleum Engineers1968
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著者標目Leonard, Joseph W. Mitchell, David Ray Humphreys...