IALA maritime buoyage system (NP 735) : combined cardinal and lateral system / United Kingdom Hydrographic Office - 7th ed. - Taunton : Admiralty publications , 2012 - 27 p. : col. Ill. ; 30 cm. ISBN: 9780707741413 £ 15.70 Subjects--Topical Terms: Buoys Dewey Class. No.: 623.8944 / Un314