Weijden, <br/><br/>
The Power of Ultrasonics   Textual Documents 

 - London  Quintessence Publishing Co, Inc  2007 
 - 80:  22.5x21. 
<br/><br/><label>ISBN: </label>978-2-912550-51-4   
<br/><br/><label>Dewey Class. No.: </label>617.6  / WEI