TY  - BOOK
AU  - Gopi,Satheesh
TI  - Global positioning system : principles and applications / 
SN  - 0070585997
U1  - 629.13251 
PY  - 2005///
CY  - New Delhi : 
PB  - Tata McGraw-Hill Publishing , 
KW  - GEOLOGY
N1  - Includes index
ER  -