00000nam a2200000 a 4500 20251219155906.0 9781032271385 623.89 OLS Olsen, Alexander Arnfinn _ Core principles of maritime navigation _ New York Routledge 2023 xviii, 181p. 22cm. PB Includes Index _ Merchant marine Navigation Seamanship Maritime navigation _ _ _ 228192 312657 312657 0 0 0 0 PU PU 2023-03-20 3583.65 0 623.89 OLS 228192 BK