00494nam a2200157Ia 4500003000900000008004100009040001600050080002000066245009800086260004900184300001000233650001400243650004100257650001700298700002100315IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a047.1:52bVIA-4 0aVistas in astronomybVol. 4cedited by Arthur Beer                                             aOxford, Pergamon PressbPergamon Pressc1961  a194p.  aAstronomy  aAstronomy and Astrophysics Thesaurus  aAstrophysics  aBeer, Arthur ed.