Roark, Raymond J. <br/><br/>
Formulas for stress and strain 
<label>/ by </label> Roark, Raymond J. 
 - New York  Mcgraw-Hill Book CO.  1954 
 - xiii,381p.  ill.  21 cm. 
<br/><br/>SR 
<br/><br/><label>Dewey Class. No.: </label>620.11  / R