Potential uses for 400 Hz electrical power systems in mining /
by G. J. Conroy.
APA Citation
Conroy, G. J., Pittsburgh Mining and Safety Research Center (U.S.)., United States. Bureau of Mines. (1974). Potential uses for 400 Hz electrical power systems in mining. [Washington, D.C.]: U.S. Bureau of Mines.
MLA Citation
Conroy, George J, Pittsburgh Mining and Safety Research Center (U.S.), and United States. Bureau of Mines. Potential Uses for 400 Hz Electrical Power Systems In Mining. [Washington, D.C.]: U.S. Bureau of Mines, 1974.
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