AU  - Singh,Kshetri Munal .
TI  - Problems and Prospects of Environmental pollution in India / 
SN  - 81 7099 167 6
U1  - 614.71 
PY  - 1989///
CY  - New Delhi
PB  - Mittal Publications , 
KW  - Eco
N1  - NULL
ER  -