TY  - BOOK
ED  - Her Majesty's Stationary Office
TI  - Astronomical almanac for the year 1989 :data for astronomy, space sciences, geodesy, surveying, navigation & other applications
SN  - 0118869329
U1  - 52(059) H. M. S. O. 
PY  - 1988///
PB  - Her Majesty's Stationary Office
KW  - Astronomical almanac
ER  -