Betz, Carl E. <br/><br/>
Principles of magnetic particle testing/ 
Carl E. Betz 
 - Chicago:  Magnaflux Corporation,  1967 
 - 525 p.;  23 cm. 
<br/><br/> Includes index 
<br/><br/>Bibliography: p. 491 - 503 
<br/><br/><label>Subjects--Topical Terms: </label><br/>strength of materials<br/>Testing<br/>Magnetic properties--Testing
<br/><br/><label>Dewey Class. No.: </label>620.112