Achenbach, J.D. <br/><br/>
Evaluation of materials and structures by quantitative ultrasonics 
J.D.Achenbach 
 - Germany  Springer- Verlag  1993 
 - 398p      CSIM courses and lectures No. 330 
<br/><br/><label>ISBN: </label>978321182441 
<br/><br/><label>Dewey Class. No.: </label>620.11  / AC-E