AU  - Nag,Prithvish .
TI  - Thematic Cartography and Remote Sensing / 
SN  - 81 7022 410 1
U1  - 526 
PY  - 1992///
CY  - N.Delhi-110059
PB  - Concept Publishing Company , 
KW  - Geography
N1  - NULL
ER  -