000 00291nam a2200121Ia 4500
100 _aGarfinkel, Simson
020 _a1-56592-098-8
942 _cBK
245 _aPGP : pretty good privacy
260 _aO'reilly & associates, Sebastopol
_c1995
082 _a384.648 Gar
300 _axxiii, 393
999 _c36720
_d36720