TY  - BOOK
AU  - Great Britain. Hydrographic Office.
TI  - Admiralty List of Radio Signals, Volume 6 :Pilot Services, Vessel traffic services and port operations North America, Canada and Greenland
SN  - 9780707744537
U1  - 623.89 ADM 
CY  - Taunton
KW  - Pilot services
KW  - Port operations
KW  - Radio Signals
KW  - Vessel traffic services
ER  -