00323nam a2200133Ia 45000030006000000080041000060400015000471000018000622450037000802500011001172600032001285460012001600050017001720STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKreyzig Erwin  aAdvanced engineering mathematics  aFourth  bNew age internationalc1994  aEnglish20220125170023.0