Symbols and Abbreviations used on Admiralty Paper Charts / United Kingdom Hydrographic Office - 6th ed., 2016 - Taunton : United Kingdom Hydrographic Office , 2016 - 70 p. : col. Ill. ; - NP ; 5011 . ISBN: 9780707741741 £ 20.70 Subjects--Topical Terms: Nautical charts--Symbols Dewey Class. No.: 623.8922 / Un314/S