00264nam a2200121Ia 45000030006000000080041000060400015000471000022000622450020000842600009001045460012001130050017001250STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aNewman Donald, J.  aProblem seminar  c1982  aEnglish20220125170029.0