TY  - BOOK
AU  - Illangovan, P
AU  - Pilapitiya, S.
AU  - Thiruchelvem, M.
AU  - Nanayakkara, D.B.K.S
AU  - Thavendran, A.
AU  - Gunashanhar, G.J.
TI  - Clean air: action plan for air quality management in the Colombo  metropolitan area
U1  - 363.7392095493 
PY  - 1992///
CY  - Colombo
PB  - MEIP
KW  - Social Problems and Sciences
ER  -