00276nam a2200121Ia 45000030006000000080041000060400015000471000025000622450029000872600009001165460012001250050017001370STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aTanenbaum Andrew, S.  aModern operating systems  c1997  aEnglish20220125170159.0