Koehler and Wolf permissible flame safety lamps /
by Staff, Audio Visual Office-Education and Training.
APA Citation
United States. Mining Enforcement and Safety Administration. (1976). Koehler and Wolf permissible flame safety lamps. [Washington]: U. S. Dept. of the Interior, Mining Enforcement and Safety Administration.
MLA Citation
United States. Mining Enforcement and Safety Administration. Koehler And Wolf Permissible Flame Safety Lamps. [Washington]: U. S. Dept. of the Interior, Mining Enforcement and Safety Administration, 1976.
Warning: These citations may not always be complete (especially for serials).