Van Olphen H <br/><br/>
Data handbook for clay meterials and REF non-metallic minerals 

 - Oxford  Pergamon Press          1979 
 - xiv, 345p.  cm. 
<br/><br/><label>Standard No.: </label>45929 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Nonmetallic<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H1195g, L9