00387nam a2200157Ia 4500008004100000020001500041082001300056100001300069245004100082250000800123260002900131300001400160500002400174650001600198700001500214230524s9999    xx            000 0 und d  a8121923573  a510bDAS  aH.K.Dass 0aConcepts of Engineering  Mathematics  a1st  aNEW DELHIbS.Chandc2004  aXVIII;314  aQuantity Number:  5  aMathematics  aRama Verma