Magnetic separation of pyrite from coals /
by Sabri Ergun and Ernest H. Bean.

APA Citation

Ergun, S., Bean, E. H., United States. Bureau of Mines. (1968). Magnetic separation of pyrite from coals. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines.

MLA Citation

Ergun, Sabri, 1919-, Ernest H Bean, and United States. Bureau of Mines. Magnetic Separation of Pyrite From Coals. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1968.

Warning: These citations may not always be complete (especially for serials).