Catchillar, Gerry C. <br/><br/>
Fundamentals of earth science :  a modular approach / 
Gerry C. Catchillar and Ryan G. Malenab. 
 - Mandaluyong:   National Book Store,  2005. 
 - xiii, 199 p. 
<br/><br/>Includes index. 
<br/><br/>
<br/><br/><label>ISBN: </label>9710865552 
<br/><br/><label>Dewey Class. No.: </label>ST 550  / C282 2005 c.5