Wilby, C. B. <br/><br/>
Prestressed concrete beams :   design and logical analysis 
C. B. Wilby 
 - Amsterdam :  Elsevier Publishing Company,  1969. 
 - xxi, 97p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0444200371 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prestressed concrete beams
<br/><br/><label>LC Class. No.: </label>TA683.9.W56