000			004970000a22001690004500
008			151109t1984 xxu||||| |||| 00| 0 eng d
020			_a047190063X
041			_aeng
080			_a004.056 _bD3
942			_cBK
100			_aDavies, D.W.
100			_aPrice, W.L.
245			_aSecurity for computer networks : an introduction to data security in teleprocessing and electronic funds transfer
260			_aChichester _bJohn Wiley _c1984
300			_axix, 386p.
650			_aCOMPUTER SECURITY
999			_c141180 _d141180