Velde, B <br/><br/>
Introduction to clay minerals  chemistry, origins,uses & environmental significance 
B Velde 
 - London  Chapman-Hall  1982 
<br/><br/><label>ISBN: </label>0412370301 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clay Minerals
<br/><br/><label>LC Class. No.: </label>QE 389.625 .V45