On the excess attenuation of sound in the atmosphere.
APA Citation
DeLoach, R. (1975). On the excess attenuation of sound in the atmosphere. Washington: National Aeronautics and Space Administration.
MLA Citation
DeLoach, Richard. On the Excess Attenuation of Sound In the Atmosphere. Washington: National Aeronautics and Space Administration, 1975.
Warning: These citations may not always be complete (especially for serials).