00344nam a2200133Ia 45000030006000000080041000060400015000471000063000622450037001252500010001622600009001725460012001810050017001930STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRichard Johnson, A.; Fremantkast, E.; James Rosenzweig, E.  aTheory and management of systems  aThird  c1977  aEnglish20220125170613.0