Krautkramer, J            <br/><br/>
Ultrasonic testing of materials 

 - Berlin  Springer - Verlag  1969 
 - 520p. 
<br/><br/><label>Subjects--Index Terms: </label>Material testing - ultra sonic 
<br/><br/><label>Universal Decimal Class. No.: </label>620.1  / KRA