Velde, B. <br/><br/>
Introduction to clay minerals :  chemistry, origins, uses and environmental significance / 
B. Velde 
 - London :  Chapman & Hall,  1992 
 - 198 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0412370301  RM61.61 
<br/><br/><label>LCCN: </label>92-16533 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clay--Analysis<br/>Clay minerals