TY  - BOOK
AU  - Agrawal,N. K.
TI  - ESSENTIALS OF GPS
U1  - 526.3 
PY  - 2004///
CY  - 
PB  - Spatial Networks Pvt. Ltd., Hyderabad
KW  - Global Positioning System
KW  - Surveying
KW  - Geodesy
ER  -