Bradley, W.F. <br/><br/>
Clays and clay minerals; proceedings of the twelfth National Conference on Clays and Clay Minerals, Atlanta, Georgia, September 30-October 2, 1963 

 - New York  Macmillan Company  1964 
 - 692 p.  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ARCILLAS<br/>CONFERENCIAS
<br/><br/><label>Universal Decimal Class. No.: </label>553.611(061)/B81