00575nam a2200169Ia 4500003000900000008004100009020001700050040001600067080001900083110004600102245010900148260005500257300002300312650001300335650004100348650001600389IN-BaIIA211028s9999    xx            000 0 eng d  a0-11-88694-5  cIIA Library  a059:52bAAL-90  aUnited States. Government Printing Office 4aThe Astronomical Almanac for the year 1990cU.S. Government Printing Office                               aWashingtonbU. S. Government Printing Officec1989  a[various pagings.]  aAlmanacs  aAstronomy and Astrophysics Thesaurus  aEphemerides