Abastillas, Vivencio N. <br/><br/>
Introduction to astronomy / 
Vivencio N. Abastillas, Jr 
 - Quezon City:  Phoenix Pub.,  c1996. 
 - vii, 176 pages;   illustration. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p.169-170. 
<br/><br/><label>ISBN: </label>9710603817 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>520 Ab118 1996