TY  - GEN
AU  - Nag, Prithvish 
TI  - Geography and Environment
SN  - 9788170226086
U1  - 614.7 
PY  - 1997///
CY  - New Delhi
PB  - Concept Publishing Co.
KW  - Environment
KW  - Pollution
KW  - Geography
ER  -