TY  - BOOK
AU  - Nayar, N B.
TI  - Encyclopedia of surveying, mapping and remote sensign / 
SN  - 81-7033-310-6
U1  - 030.621 
PY  - 1996///
CY  - New Delhi : 
PB  - Rawat Publications , 
KW  - Encyclopedea
ER  -