Technologic and related trends in the mineral industries, 1972 /
by Staff, Bureau of Mines.
APA Citation
United States. Bureau of Mines. (1973). Technologic and related trends in the mineral industries, 1972. [Washington]: U.S. Bureau of Mines.
MLA Citation
United States. Bureau of Mines. Technologic And Related Trends In the Mineral Industries, 1972. [Washington]: U.S. Bureau of Mines, 1973.
Warning: These citations may not always be complete (especially for serials).