000 00422nam a2200181Ia 4500
008 210915s9999||||xx |||||||||||||| ||und||
020 _a9788177587746
040 _aMAIN
041 _aEnglish
082 _a005.8 STA
100 _aStallings,William
245 0 _aCryptography and network security
250 _a4th
260 _bPearson
_aNew Delhi
_c2006
300 _a680
650 _aM.C.A
_92903
942 _cBK
999 _c37642
_d37642