000 00362nam a2200145Ia 4500
020 _a9780850128123
082 _b2774
_a001.642
100 _a"SHEA G,.O"
245 0 _aSECURITY IN COMPUTER OPERATING SYSTEM
260 _bBlack well
_aBlack well London
_c1999
300 _a218
944 _cBK
999 _c395505
_d395505