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008 220822s9999||||xx |||||||||||||| ||und||
020 _a9788131703045
082 _a005.43
_bSTA/O
100 _aWilliam Stallings
245 0 _aOperating Systems
250 _a5
260 _aDelhi
_bPearson
_c2009
300 _a818
942 _cBK
999 _c11566
_d11566