Noise control manual  guidelines for problem-solving in the industrial/commercial acoustical environment 
edited by David A. Harris sponsored by the Noise control Association (NCA) 
 - New York  Van Nostrand Reinhold  1991. 
 - xiii, 162 pages. : illustrations. ; 29 cm. 
<br/><br/>pagws. 157-158 
<br/><br/><label>ISBN: </label>0442008511 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Noise control