TY  - GEN
AU  - Ambasht , R.S.
AU  - Ambasht , P.K.
TI  - Environment and pollution
SN  - 8123912234
U1  - 363.73 
PY  - 1990///
CY  - New Delhi
PB  - CBS Publishers and Distributors
KW  - Environmental
KW  - Environmental Pollution
ER  -