00270nam a2200109Ia 4500008004100000041000800041082001300049100001800062245004900080260001700129300001400146220530s9999    xx            000 0 und d  aeng  a510bDES  aDeshmukh D.T.  aA Text Book of Engineering Mathematics Vol-1  aNagpurc2009  a624 PbPB