Allgaier, M.W. and Ness, Stanley, Eds. <br/><br/>
Nondestructive Testing Handbook Vol. 8: Visual and Optical Testing. 

 - 2 
 - Ohio  ASNT  1993 
 - xv + 367p 
<br/><br/><label>Universal Decimal Class. No.: </label>620.179.1(021)  / ALL.8.93