Libby, James R. <br/><br/>
Modern prestressed concrete highway bridge super structures  design principles & construction methods 
by James R. Libby & Norman D. P. 
 - San-Diego  Libby and Perkins  1976 
 - viii, 253p. 
<br/><br/><label>Dewey Class. No.: </label>624.25  / N76