Lewis, R. S. (1964). Elements of mining (3d ed. rev. by George B. Clark.). John Wiley.
Chicago Style (17th ed.) CitationLewis, Robert Strong. Elements of Mining. 3d ed. rev. by George B. Clark. New York: John Wiley, 1964.
MLA (9th ed.) CitationLewis, Robert Strong. Elements of Mining. 3d ed. rev. by George B. Clark. John Wiley, 1964.
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