TY  - BOOK
AU  - Patel, A.N.
AU  - Singh, Surendra
TI  - Principles of remote sensing
SN  - 8172332149
U1  - 621.3678 21st ed.
PY  - 1999///
CY  - Jodhpur
PB  - Scientific Publishers
KW  - Remote sensing
ER  -