00309nam a2200133Ia 45000030006000000080041000060400015000471000016000622450049000782500010001272600009001375460012001460050017001580STCL150530s9999 xx 000 0 und d aSTCLcSTCL aThewlis, J. aEncyclopaediac dictionary of physics vol III aFirst c1969 aEnglish20220125170119.0