Gaston, J. R. <br/><br/>
Precast concrete girders reinforced with high strength defo-rmed bards / by J. R. Gaston and Eivind Hognestad. 

 - Skokie, Illinois : atories, Development Department 
 - [16] p. 
 - Bulletin D24 / Portland Cement Association, Research and De-velopment Laboratories, Development Department .
<br/><br/> "Authorized reprint from copyrighted Journal of the America-n Concrete Institute oct. 1958, Proceedings Vol. 55, p. 469-."