Simple bridge structures 

 - London  Heinemann Educational Books  1972 
 - 28p. 
<br/><br/><label>ISBN: </label>0435759019 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bridge engineering<br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>624.2  / SIM