00277nam a2200121Ia 45000030006000000080041000060400015000471000032000622450023000942600009001175460012001260050017001380STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBallard Stanley, S.; Others  aPhysics principles  c1970  aEnglish20220125170111.0