Hanson, J. A. <br/><br/>
Effects of curing and drying environments on splitting tens-ile strength of concrete / by J. A. Hanson. 

 - Skokie, Illinois : atories, Development Department 
 - [30] p. 
 - Bulletin D141 / Portland Cement Association, Research and D-evelopment Laboratories, Development Department .
<br/><br/> "Authorized reprint from copyrighted Journal of the America-n Concrete Institute July 1968, Proceedings Vol. 65, pp. 53-5-543."