Velde, B. <br/><br/>
Introduction to clay minerals  :Chemistry, origins, use and environmental significance 

 - London  Chapman & Hall  1992 
<br/><br/><label>Subjects--Index Terms: </label>Clay minerals chemistry  Environmental aspects-clay minerals  Origin of clays  clays in environment 
<br/><br/><label>Dewey Class. No.: </label>549.6  / M5;N2