TY  - BOOK
AU  - Kaplan, Elliot D., ed.Hegarty, Christopher J., ed.
TI  - Understanding GPS: principles and applications
T2  - Mobile Communications Series
SN  - 0-89006-793-7
PY  - 1996///
CY  - Boston
PB  - Artech House Inc.
KW  - Artificial SatellitesGps
ER  -