TY  - BOOK
ED  - Witherby seamanship international. 
TI  - Passage planning guidelines / 
SN  - 9781856095655
U1  - 623.8883 23
PY  - 1740///, 2015.
CY  - Livingston : 
PB  - Witherby seamanship international Limited., 
KW  - Schiffsnavigation.
KW  - Ships--Maneuverability.
KW  - Collisions at sea--Prevention.
KW  - Seamanship.
ER  -