00442nam a2200169Ia 4500003000900000008004100009020001800050040001600068080001200084100001800096245003500114260003600149300001500185650001400200650004100214650001700255IN-BaIIA211028s9999    xx            000 0 eng d  a0-8162-6523-2  cIIA Library  a52bOST  aOster, Ludwig 0aModern astronomycLudwig Oster  aSan FranciscobHolden-Dayc1973  axii, 448p.  aAstronomy  aAstronomy and astrophysics thesaurus  aAstrophysics