TY  - BOOK
TI  - The Boatowner's Guide to GMDSS and Marine Radio :Marine Distress and Safety Communications in the Digital Age
SN  - 0071463186
U1  - R - 623.89BOA 
PY  - 2006///
CY  - New York
PB  - McGraw-Hill
KW  - Radio in navigation
ER  -