Kriz, Ladislav B. <br/><br/>
Ultimate strength criteria for reinforced concrete / by Lad-islav B. Kriz. 

 - Skokie, Illinois : atories, Development Department 
 - [16] p. 
 - Bulletin D31 / Portland Cement Association, Research and De-velopment Laboratories, Development Department .
<br/><br/> "Reprinted from the Journal of the Engineering Mechanics Di-vision, Proceedings of the American Society of Civil Engine-ers, Proc. paper 2095, vol. 85, No. EM 3, 1959."