TY  - BOOK
ED  - United States Naval Observatory.
TI  - The astronomical almanac online
CY  - Washington, D.C., London
PB  - U.S. Nautical Almanac Office in the United States (USNO), Her majesty's Nautical Almanac Office (HMNAO) in the United Kingdom
KW  - Nautical almanacs
KW  - Local
UR  - http://purl.access.gpo.gov/GPO/LPS49630
ER  -