Whitten D.G.A. and Brooks J.R.V. <br/><br/>
The Penguin Dictionary of Geology 

 - England  Harmondsworth   1972 
 - 493 
<br/><br/><label>ISBN: </label>0140510494 
<br/><br/><label>Publisher. No.: </label> Premier Book Shop 
<br/><br/><label>Subjects--Personal Names: </label> General 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dictionary