TY  - BOOK
ED  - Admiralty
TI  - Admiralty symbols and abbreviations used on paper charts : NP5011
SN  - 9780707746210
U1  - 623.8922 
PY  - 2020///
CY  - UK
PB  - UK Hydrographic Office
KW  - Hydrography
KW  - Aids to navigation and services
KW  - TOPOGRAPHY
ER  -