00422nam a2200157Ia 4500003000900000008004100009040001600050080001200066100001400078245005100092260002300143300001400166490002900180650001400209650004100223IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a52bGAU  aJ. Gauzit 0aLes grands problems of L'astronomiecGauzit J.  aParisbDunodc1957  avi, 184p.  aLes heures scientifiques  aAstronomy  aAstronomy and astrophysics thesaurus