TY  - BOOK
AU  - Ferguson,Micahel
TI  - GPS land navigation: a complete guidebook for backcountry users of the NAVSTAR satellite system 
SN  - 0965220257
AV  - bF352g 1998 
PY  - 1998///
CY  - Boise, Idao
PB  - Glassford
KW  - Navstar Global Positioning System
KW  - Navigation
KW  - Navigationsinstrumenter
KW  - Positionsbestemmelse
KW  - GPS
KW  - Navstar Sistema de Posicionamiento Global
KW  - Navegación
KW  - Pecados de Navegación Drum Aceptar
KW  - satellitnavigation
N1  - GPS: Global positioning system; Bibliography: side 247
ER  -