TY  - BOOK
AU  - Patel, A. N.
AU  - Surendra Singh
TI  -  Remote sensing : : principles and applications 
SN  - 9788172335915
U1  - 621.3678 
PY  - 1999///
CY  -  Jodhpur
PB  -  Scientific publishers (India)
KW  - Remote sensing
N1  - Includes bibliographical references
ER  -