00443nam a2200145Ia 4500003000900000008004100009040001600050080001700066100001400083245008800097260004300185300001400228650004100242650001400283IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a524.834bCOS  aBlaauw, A 0aCosmic distance scalecA. Blaauw                                                     aVirginiabUniversity of Virginiac1956  a159-210p.  aAstronomy and astrophysics thesaurus  aCosmology