TY  - BOOK
AU  -  Bradford W Parkinson
AU  - James J Spilker
TI  - Global positioning system : theory and application. - Vol. 1
SN  - 156347106X
U1  - 910.285 
PY  - 1996///
CY  - Washington:  
PB  - American Institute of Aeronautics and Astronautics
KW  - Global Positioning System
ER  -