00541nam a2200169Ia 4500003000900000008004100009040001600050080001500066100001200081245009600093260004700189300001400236650004100250650002700291650003600318700001700354IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a058:2bHEC  aHeck, A 0aInternational Directory of Astronomical Associations and SocietiescA. Heck and J. Maneroid  aFrancebCentre De Donnees Stellairesc1986  aiv, 266p.  aAstronomy and Astrophysics Thesaurus  aDirectory-Associations  aDirectory-Astronomical Sciences  aManeroid, J.