TY  - BOOK
AU  - FERGUSON, MICHAEL
TI  - GPS LAND NAVIGATION: A COMPLETE GUIDEBOOK FOR BACKCOUNTRY USERS OF THE NAVSTAR SATELLITE SYSTEM
SN  - 0965220257
U1  - 629.045 
CY  - BOISE
KW  - ORIENTACION
KW  - SISTEMA DE POSICIONAMIENTO GLOBAL
ER  -