TY  - BOOK
ED  - Her Majesty's Nautical Almanac Office
TI  - the astronomical almanac for the year 2011 and its companion data for astronomy, space sciences, geodesy, surveying, nav
SN  - 978-0-7077-41031
PY  - 2010///
CY  - Washington
PB  - U. S. Naval Observatory
KW  - Astronomical almanac
KW  - Ephemeries
ER  -