Howes, Walton L. <br/><br/>
Overall loudness of steady sounds according to theory and experiment / 
Walton L. Howes ; prepared for Aerospace safety Research and Data Institute, NASA Lewis Research Center 
 - Washington, D.C. :  United States Aerospace Safety Research Institute,  1979 
 - vii, 143 p. :  ill. ;  23 cm. 
 - NASA reference publication ;  no. 1001 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Auditory perception<br/>Noise--Physiological effect<br/>Sound--Measurement
<br/><br/><label>Dewey Class. No.: </label>612.85028