00269nam a2200121Ia 45000030006000000080041000060400015000471000017000622450030000792600009001095460012001180050017001300STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aThomas, P.C.  aPre degree physics Part I  c1988  aEnglish20220125170114.0