Langhaar, H.L <br/><br/>
Energy methods in applied mechanics 
H.L. Langhaar 
 - New York  John Wiley & Sons  1962 
 - xiv  350 
<br/><br/><label>ISBN: </label>0471517119 
<br/><br/><label>Dewey Class. No.: </label>13.01  / LANG