Childs, L. D. <br/><br/>
Cement treated subbases for concrete pavements / by L. D. C-hilds. 

 - Skokie, Illinois : atories, Development Department 
 - [30] p. 
 - Bulletin D125 / Portland Cement Association, Research and D-evelopment Laboratories, Development Department .
<br/><br/> "Authorized reprint from Highway Research Record Number 189- pp. 19-43 (1967)".