00337nam a2200133Ia 4500008004100000020001800041041000800059082000800067100002000075245003600095250001400131260004300145300001500188220530s9999    xx            000 0 und d  a9780198082873  aeng  bCHA  aChauhan, Naresh  aPrincipals of Operating Systems  a1 Edition  aHaryanabOxford Universtiy Pressc2014  a669 Pb PB