000 00253 a2200097 4500
001 32062
100 _aStalling,William
245 _aPractical Cryptography for data Inter networks
260 _aN.J
_bIEEE Computer society
_c1996
090 _c21510
_d21510
942 _aNUST-CAE
_cM
_c12793
999 _c267135
_d267135