Understanding active noise cancellation  
by Colin H. Hansen. 
 - London  Spon Press  2001 
<br/><br/><label>ISBN: </label>9780415231923 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Noise control.; Active noise and vibration control
<br/><br/><label>Dewey Class. No.: </label>620.23  / HAN/U