http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Model course 7.03 Officer in charge of a navigational watch
iii, 248 paginas : 30 cm ; ilustraciones
Navigation at the operational level -- Cargo handling and stowage at the operational level -- Controlling the operation of the ship and care for persons on Board a the Operational level.
International Maritime Organization (IMO).