Cracknell, A. P. <br/><br/>
Ultrasonics / 
[by] A.P. Cracknell. 
 - London :  Wykeham,  1980. 
 - 200 p. :  ill. 
 - The Wykeham science series .
<br/><br/><label>ISBN: </label>0851097707 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ultrasonic waves.