Clays and clay minerals ; proceedings of the eigth... 

 - New York :  Pergamon,  1960 
 - 292 p.  : ilus. 
<br/><br/><label>LCCN: </label>30623 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arcilla.
<br/><br/><label>Dewey Class. No.: </label>553.6106  / N38 1959