TY  - BOOK
AU  - Nautical Institute
AU  - Nautical Institute
TI  - Admiralty manual of navigation. Volume 2, Astro navigation/ Nautical Institute
SN  - 9781906915308
AV  - VK 555 .A3 2011 
U1  - VK 555 .A3 2011 
PY  - 2011///
PB  - London : Nautical Institute
ER  -