TY  - BOOK
AU  - Ambasht, R.S.
TI  - Environment and Pollution: An Ecological Approach
U1  - 574.5 
PY  - 1990///
CY  - Varanasi
PB  - Students' Friends and Co.
KW  - Life sciences
KW  - Pure Sciences
KW  - Pollution
ER  -