TY  - BOOK
AU  - 
AU  - by Nestor A. Ducotan.
ED  - 
ED  - 
ED  - Augustinian. 2 (1) : November 1997. pp.69
ED  - 
SN  - 2
PY  - 0000///46
CY  - 
PB  - 
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - AIR POLLUTION - ILOILO
KW  - AIR - POLLUTION
KW  - sears0
N1  - 5
ER  -