00277nam a2200121Ia 45000030006000000080041000060400015000471000012000622450043000742600009001175460012001260050017001380STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aOrtonon  aMemory efficiency and how to obtain it  c1936  aEnglish20220125171146.0