00388nam a22001457a 450000500170000001000150001702000260003203700130005808200080007110000190007924500520009826000530015027000230020330000160022620190430121312.0  aENG-125104  a9789350012154c140.00  bDBAD/PUB  a530  aGokulakannan,R  aA testbook of Astro Physics/cby R.Gokulakannan  aPerambalur:bMercury Printers & Publishersc2009  bPerambalure621212  a251pb2 1cm