000 00284nam a22001217a 4500
003 OSt
008 160801t xxu||||| |||| 00| 0 eng d
082 _a681.3.066
_b WAL
100 _aWalia, Ekta 15987
245 _aOperating sytem concepts
300 _a Xx,340p.
942 _2ddc
_cBK
999 _c353449
_d353449