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008 141218b xxu||||| |||| 00| 0 eng d
082 _a001.642 DAV
100 _aDavies, Donald W.
245 _aTutorials
_b:The Security of data in networks
_c/Donald W. Davies
260 _a.- USA
_b: IEEE Computer Society
_c,@1998
300 _a241p.;15cm.
_bSoftcover
655 _a Security of data
655 _adata security in computer
942 _2ddc
_cHCL
999 _c40485
_d40485