TY  - BOOK
AU  - Jones Colin
TI  - Yachtsman's GPS handbook: a guide to the Global Positioning System of satellite navigation 
SN  - 1853104701
AV  - G109.5 
U1  - 623.89 
PY  - 1995///
CY  - Shrewsbury
PB  - Waterline
KW  - Global Positioning System
KW  - Artificial satellites in navigation
ER  -