00281nam a2200121Ia 4500100002100000650001200021654001300033245003400046260004300080082001600123300000800139546001200147  aNarlikar jayant   aGeneral  auniverse  aThe structure of the universe  bOxford  university pressaOxfordc1980  a523.11bNAR  a264  aENGLISH