000 00290nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a005.82 GRA
100 _aGRAFF (Jon.C)
245 _aCryptography and e.commerce
260 _aNEW YORK
_bJOHN WISLEY J
365 _cRS
999 _c180973
_d180973