000 00295nam a2200121Ia 4500
008 241013s9999 xx 000 0 und d
020 _a9788177580112
100 _aStallings, William
245 0 _aCryptography and Network Security
260 _aBangalore
_bOreilly
300 _a425
942 _cBK
999 _c4600
_d4600