000
00301nam a2200133Ia 4500
008
220421s9999||||xx |||||||||||||| ||und||
040
_a
ET
100
_a
FOROUZAN
245
0
_a
CRYPTOGRAPHY AND NETWORK SECURITY
260
_b
MC GRAW HILL
_a
CHENNAI
300
_a
674
500
_a
51371
942
_c
BK
999
_c
57386
_d
57386