00318nam a2200121Ia 45000030006000000080041000060400015000471000018000622450054000802600033001345460012001670050017001790STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAsinmov Isaac  aUnderstanding physics vol I motion sound and heat  bGeorge Allen and Unwinc1966  aEnglish20220125170108.0