00304nam a2200133Ia 45000030006000000080041000060400015000471000017000622450035000792500018001142600009001325460012001410050017001530STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGrewal. B.S.  aHigher engineering mathematics  aThirty Fourth  c1998  aEnglish20220125170023.0