00547nam a2200157Ia 4500003000900000008004100009020001800050040001600068080001700084110004200101245016400143260004100307300001400348650001300362650001400375IN-BaIIA211028s9999    xx            000 0 eng d  a0-11-880578-9  cIIA Library  a(035)52bNAU  aHer Majesty's Nautical Almanac Office 0aExplenatory suppl. to the astronomical ephemeris and the American ephemeris and nautical almanac.cNautical Almanac Office                                       aLondonbH.M. Stationery Officec1977  axi, 533p.  aAlmanacs  aEphemeris