TY  - BOOK
AU  - Nag,Prithvish
AU  - Kumar,V.K.
AU  - Singh,Jagadish
TI  - Geography and environment / 
SN  - 8170226058
U1  - 910.6147 SIN K 
PY  - 1997///
CY  - New Delhi : 
PB  - Concept Pub. Co., 
KW  - Human ecology
KW  - Physical geography
ER  -