00321nam a2200133Ia 45000030006000000080041000060400015000471000021000622450042000832500011001252600022001365460012001580050017001700STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMilenkovic Milan  aOPerating systems concepts and design  aSecond  bMcgraw hillc1992  aEnglish20220125170200.0