00520nam a2200157Ia 4500003000900000008004100009020001800050040001600068080001900084110004200103245011000145260005500255300002300310650001300333650001600346IN-BaIIA211028s9999    xx            000 0 eng d  a0-11-886505-6  cIIA Library  a059:52bAAL-97  aHer Majesty's Nautical Almanac Office 4aThe astronomical almanac for the year 1997.cNational Almanac Office                                       aWashingtonbU. S. Government Printing Officec1996  a[various pagings.]  aAlmanacs  aEphemerides