Stratton, H. J. (1955). The publications of the Bureau of Mines January 1,1949-January 1,1954: With subject and author index. Washington: Government Printing Office.
Παραπομπή Chicago StyleStratton, Hazel J. The Publications of the Bureau of Mines January 1,1949-January 1,1954: With Subject and Author Index. Washington: Government Printing Office, 1955.
Παραπομπή MLAStratton, Hazel J. The Publications of the Bureau of Mines January 1,1949-January 1,1954: With Subject and Author Index. Washington: Government Printing Office, 1955.
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