TY  - BOOK
AU  - Williamson, Paul R
AU  - Williamson, Paul R
TI  - Ship manoeuvring principles and pilotage / Paul R. Williamson
SN  - 1856092100
AV  - VK 543 .W54 2001 
U1  - VK 543 .W54 2001 
PY  - 2001///
PB  - London, : Witherby and Co. Ltd.
ER  -