000 00255nam a2200109Ia 4500
008 230901s9999 xx 000 0 eng d
100 _aShyamala (C K)
245 0 _aCryptography and Security
250 _a1
260 _bJOHN WILEY
942 _2ddc
_cSCIENCE
999 _c19703
_d19703