00283nam a2200121Ia 45000030006000000080041000060400015000471000016000622450045000782600009001235460012001320050017001440STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPiel,J.; Ed  aAcientific American Vol-264 January 1991  c1991  aEnglish20220125165909.0