00560nam a2200193Ia 4500003000900000008004100009020001800050040001600068080001600084100001800100245006300118250001700181260003900198300001000237490005100247650004100298650001400339650001300353IN-BaIIA211028s9999    xx            000 0 eng d  a0-486-20925-3  cIIA Library  a524.83bSIN  aSingh, Jagjit 0aGreat ideas and theories of modern cosmologycJagjit Singh  a2nd rev. ed.  aNew YorkbDover Publicationsc1970  a416p.  aDover books explaining science and mathematics  aAstronomy and astrophysics thesaurus  aCosmology  aUniverse