00321nam a2200145Ia 45000030006000000080041000060400015000471000019000622450037000812500006001182600016001243000006001405460012001460050017001580STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKreyszig Erwin  aAdvanced engineering mathematics  a8  c1999aDelhi  a0  aEnglish20220125170023.0