Casagrande, Arthur. <br/><br/>
Effects of stress history on the strength of clays / by A. -Casagrande and S.D. Wilson. 

 - Cambridge, Mass. : Harvard University 
 - [71] p. 
 - Harvard soil mechanics Series ; no. 43 .
<br/><br/> "A research Project performed during 1952-1953, sponsored b-y the Waterways Experiment Station in cooperation with Harv-ard University".