Childs, L. D. <br/><br/>
Test of concrete pavements slabs on cement-treated subbases- / by L. D. Childs. 

 - SKokie, Illinois : atories, Development Department 
 - 26 p. 
 - Bulletin D86 / Portland Cement Association, Research and De-velopment Laboratories, Development Department .
<br/><br/> "Authorized reprint from Highway Research Record, Number 60-, pp. 39-58 (1964)."