000 00357nam a22001457a 4500
020 _a9788131761663
100 _aWilliam Stallings
245 _aCryptography and Network Security
250 _a5th Edition
260 _aNoida
_bPearson
_c2013
300 _a738
650 _aCryptography and Network Security
700 _aWilliam Stallings
942 _cBK
999 _c26038
_d26038