Readability of self-illuminated signs obscured by black fuel-fire smoke / P.G. Rasmussen, B.P. Chesterfield, D.L. Lowrey ; prepared for U.S. Dept. of Transportation, Federal Aviation Administration, Office of Aviation Medicine. [electronic resource]
Imprint
Washington, D.C. : U.S. Dept. of Transportation, Federal Aviation Administration, Office of Aviation Medicine, 1980.
