Hanson, Norman W. <br/><br/>
Flexural bond test of pretensioned prestressed beams / by N-orman W. Hanson and Paul H. Kaar. 

 - Skokie, Illinois : atories, Development Department 
 - [20] p. 
 - Bulletin D28 / Portland Cement Association, Research and De-velopment Laboratories, Development Department .
<br/><br/> "Authorized reprint from copyrighted Journal of the America-n Concrete Institute Jan. 1959, Proceedings Vol. 55, p. 783-."