TY  - BOOK
AU  - Purohit, S. S.
ED  - Ranjan, Rajiv
TI  - Ecology, environment and pollution
SN  - 8177541962
U1  - 574.5 
PY  - 2007///
CY  - Jodhpur
PB  - Agrobios
KW  - Ecology
KW  - Pollution
KW  - Environment
ER  -