Hanson, J. A. <br/><br/>
Prestress loss as affected by type of curing / by J. A. Han-son. 

 - Skokie, Illinois : atories, Development Department 
 - [30] p. 
 - Bulletin D75 / Portland Cement Association, Research and De-velopment Laboratories, Development Department .
<br/><br/> "Authorized reprint from copyrighted journal of the Prestre-ssed Concrete Institute Vol. 9, No. 2, 69-93 (abril, 1964)"-.