Earth sciences 
Carolina Desamero Ditan. 
 -  National Book Store.  2012 
 - [xii], 168 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71087147-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth science.
<br/><br/><label>Dewey Class. No.: </label>F 550 D634 2012