TY  - BOOK
TI  - Admiralty list of radio signals, volume 7, part 2 1998/99 (ALRS 7 (2), 1998/99): Vessel traffic services and reporting systems (NP 287 (2)) 
U1  - 623.8932 23
PY  - 1998///
CY  - Somerset, UK
PB  - The Hydrographer of the navy tanuton
KW  - ALRS 2
ER  -