TY  - BOOK
AU  - Silva E. I. L. (Ed.)
TI  - Environmental pollution denaturing the quality of nature
SN  - 9552600235
U1  - 504.054 
PY  - 1993///
CY  - Kandy
PB  - IFS
KW  - Environmental Pollution
KW  - Quality of Nature
ER  -