Montecillo, Lupo Abaquita,  1934-. <br/><br/>
Mineralogy and chemistry of certain Philippine soils  [microform]  / 
Lupo Abaquita Montecillo. 
 - Ann Arbor, Mich. :  University Microfilms International,  1973. 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - Purdue University, 1973. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ore--deposits--Philippines.