TY  - BOOK
AU  - Gupta, Raj Kumar
TI  - Planning natural resources: a handbook of aeroplace techniques for integrated survery and studies in natural resource ecology
U1  - 333.0954 21st
PY  - 1971///
CY  - New Delhi
PB  - Navayug Traders
KW  - Natural resources; Remote sensing; Aerial Photography
ER  -