000
00264nam a2200109 4500
008
160616s 000 0
245
_a
Cryptology, Introduction to-
100
_a
Beckett, Brain
500
_a
D6,8(B) M84
942
_c
BK
_2
BK16513
080
_a
681.188 BEC
999
_c
16513
_d
16513