whitten, D. G. A. <br/><br/>
The Penguin Dictionary of Geology 

 - Harmondsworth :   Penguin Books,  1972  
<br/><br/><label>Standard No.: </label>DEX-M7326 
<br/><br/><label>Subjects--Topical Terms: </label><br/>diccionario de geologia
<br/><br/><label>Universal Decimal Class. No.: </label>(038)551