00281nam a2200121Ia 45000030006000000080041000060400015000471000018000622450041000802600009001215460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aFretter, W.B.  aIntroduction to experimental physics  c1955  aEnglish20220125170116.0