Philippine science encyclopedia :  mathematics and physical sciences. 

 - Taguig, Metro Manila :  The National Research Council of the Philippines,  [1987]. 
 - ix, 308 pages :  illustrations ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><br/>English. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Encyclopedias.<br/>Mathematics--Encyclopedias.<br/>Earth sciences --Encyclopedias.
<br/><br/><label>LC Class. No.: </label>Q 121   / P45 1991