Bates, Robert L.. <br/><br/>
Glossary of Geology /  

 - Second Ed. /  
 - Virginia :   American Geological Institute. 
 - p.751,x :  
<br/><br/><label>ISBN: </label>0-913312-15-0 
<br/><br/><label>Dewey Class. No.: </label>Hk  / M0