Unsworth, John F. <br/><br/>
Design of modern steel railway bridges / 
John F. Unsworth 
 - Boca Raton, FL :  CRC ,  2010 
 - xix, 433 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781420082173 1420082175 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Railroad bridges--Design and construction<br/>Iron and steel bridges