TY  - BOOK
AU  -  Parkinson, Bradford W.
AU  - Spilker, James J.
TI  - Global positioning system: : Theory and applications (vol. 1) 
SN  - 156347106x
U1  - 623.893 P2296g 
PY  - 1996///
CY  - Washington 
PB  - American Institute of Aeronautics And Astronautics
KW  - Positioning system
KW  - GPS signal structure
N1  - 

ER  -