TY  - BOOK
AU  - Gupta, Raj Kumar,
TI  - Planning natural resources: a handbook of aerospace techniques for integrated surveys and studies in natural resource ecology 
SN  - TBA907
U1  - 333.79 
PY  - 1971///
CY  - New Delhi
PB  - Navayug Traders, Booksellers & Publishers
KW  - Natural resources
ER  -