Van Olphen H V <br/><br/>
Data handbook for clay materials and REFs non-metallic minerals 
Van Olphen H V; Fripiat J J Ed. 
 - Oxford  Pergamon Press          1989 
 - xiv, 345p.  cm. 
<br/><br/><label>Standard No.: </label>57211 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H23541g, L9