Holtz, W.G. <br/><br/>
Engineering properties of expansive clays / by W.G. Holtz, -H.J. Gibbs 

 - New York, N.Y. : ndations Division 
 - [40] p. 
 - Convention preprint paper ; no.57 .
<br/><br/> "Presented at Centennial Convocation Chicago, Illinois, Sep-tember 3-13, 1952".