000 00292nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a005.82
100 _aBehrouz A Forouzan
245 0 _aCryptography and Network Security
250 _a1
260 _bTata Mcgraw Hill
_c2007
942 _cBK
999 _c12201
_d12201