00515nam a22001937a 450000500170000001000240001702000260004103500130006703500130008003700220009303700230011503700130013808200080015110000170015924500410017626000300021727000460024730000280029320190710105744.0  aB-694034   B-728444  a9789384761141c216.00  aB-694034  aB-728444  bAdhunik Pub.adpl  bLucent Publication  bRK Books  a500  aRavi Bhushan  aGeneral science / cby Ravi Bhushan   aPatna bLucent Pub.c2018  aNew Bypass Road, AshochakbPatna e800030v a398p.:c27cm(pbk)bill.