Coal mine ventilation /
by Staff, Audio-Visual Services--Education and Training.
APA Citation
United States. Mining Enforcement and Safety Administration. (1975). Coal mine ventilation. [Washington]: U.S. Dept. of the Interior, Mining Enforcement and Safety Administration.
MLA Citation
United States. Mining Enforcement and Safety Administration. Coal Mine Ventilation. [Washington]: U.S. Dept. of the Interior, Mining Enforcement and Safety Administration, 1975.
Warning: These citations may not always be complete (especially for serials).