Wilbur, John Benson,  1905- <br/><br/>
Elementary structural analysis / 
By John Benson Wilbur and Charles Head Norris. 
 - New York ; London :  McGraw-Hill,  1948. 
 - v, 523 p. :  Illus. ;  23cm. 
<br/><br/>Includes index. 
<br/><br/><label>Dewey Class. No.: </label>624.1  / WIE