TY
-
BOOK
AU
-
Kahn, David
TI
-
The codebreakers
the story of secret writing
ET
-
9. print.
PB
-
Macmillan
SN
-
0025604600
KW
-
Kryptologie
PY
-
1979
CY
-
New York
UR
-
http://slubdd.de/katalog?TN_libero_mab2
ER
-
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