Earplug rankings based on the protector-attenuation rating (P-AR) /
Jerry V. Tobias ; Civil Aeromedical Institute

APA Citation

Tobias, J. V., Civil Aeromedical Institute., United States. Office of Aviation Medicine. (1975). Earplug rankings based on the protector-attenuation rating (P-AR). Washington, D.C.: U.S. Dept. of Transportation, Federal Aviation Administration, Office of Aviation Medicine.

MLA Citation

Tobias, Jerry V., 1929-, Civil Aeromedical Institute, and United States. Office of Aviation Medicine. Earplug Rankings Based On the Protector-attenuation Rating (P-AR). Washington, D.C.: U.S. Dept. of Transportation, Federal Aviation Administration, Office of Aviation Medicine, 1975.