Prasad, J. <br/><br/>
Theory and practise of ultrsonic testing   
by J. Prasad, T.Rangachari, B.N.S Murthy 
 - Bangalore  Hindustan Aeronautics Ltd.  1984 
 - 167p. 
 - Treatise on non-destructive testing & evaluation  V.2 .
<br/><br/><label>Dewey Class. No.: </label>620.1127  / N821.2;1