Clays and clay minerals :  proceedings of the thirteenth national conference on clays and clay minerals / 
Edited by W. F. Bradley and S. W. Bailey. 
 - 1st ed. 
 - London :  Pergamon Press,  c 1966. 
 - ix, 453 p. :  ill. ;  24 cm. 
<br/><br/> Including index. 
<br/><br/>334  334 
<br/><br/><label>Subjects--Topical Terms: </label><br/>clay minerals.
<br/><br/><label>Dewey Class. No.: </label>553 / N213p