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An Analysis of Man-power Efficiency in Drilling Procedures in the Tri-State Mining District

Fred H. BungeHoward Morris FowlerJames Donald ForresterJorge Casas NietoKarl Frederick HasselmannLysle Edward ShafferPaul George HeroldAdolph LegsdinAustin Bond ClaytonCharles Harding NorenJames Francis Alexander TaylorJohn Frederic BurstJulian Alban FullerRonald L. CarmichaelAlbert Wilbur Schlechten

出版	Missouri School of Mines, 1947
URL	http://books.google.com.hk/books?id=DP2OuwEACAAJ&hl=&source=gbs_api