Williamson, P. R. (2001). Ship manoeuvring principles and pilotage. Witherby.
Chicago Edition CitationWilliamson, Paul R. Ship Manoeuvring Principles and Pilotage. London: Witherby, 2001.
Deismireacht MLAWilliamson, Paul R. Ship Manoeuvring Principles and Pilotage. Witherby, 2001.
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