Realuyo, Z. <br/><br/>
Basic concepts in earth science 
Realuyo, Zenaida M. 
 - Makati City, Philippines :   Goodwill Bookstore,   c1999 
 - xvi, 307 pages :   illustration :   25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>971-11-1020-2 
<br/><br/><label>Dewey Class. No.: </label>Fil. 550 R288 1999