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999			_c13521 _d13521
005			20230410151208.0
008			220510b ||||| |||| 00| 0 eng d
020			_69788120311879
100			_aSTALLINGS, W
245			_aOPERATING SYSYTEM
250			_a2ND
260			_bPHI _c1998
300			_a701p.
942			_2ddc _cBK