Achenbach, J D <br/><br/>
Ray methods for waves in plastic solids with applications to scattering by cracks 

 - Boston  Pitman  1982 
 - xi, 251 p. 
<br/><br/><label>ISBN: </label> POU27.5 
<br/><br/><label>Dewey Class. No.: </label>531.3823 A45R