TY  - BOOK
AU  - Great BritainNavy
TI  - Admiralty manual of seamanship / 
SN  - 0117723452
U1  - 623.88 23
PY  - 1981///.
CY  - London :  
PB  - Her Majesty's Stationery Office, 
KW  - Admiralty manual of seamanship.
KW  - Weather.
KW  - Rule of road.
ER  -