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| LEADER |
00675nam a22001697a 4500 |
| 008 |
210911t19731967|||||||| |||| 00| 0 eng d |
| 082 |
|
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|a 652.8
|
| 100 |
|
|
|a Kahn, David
|
| 245 |
|
|
|a The codebreakers :
|b the story of secret writing
|c by David Kahn
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| 260 |
|
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|a New York :
|b Signet Book /New American Library,
|c c1967, 1973.
|
| 650 |
|
7 |
|2 fast
|9 949789
|a Cryptography
|
| 650 |
|
7 |
|2 fast
|9 927084
|a Ciphers
|
| 650 |
|
7 |
|2 fast
|9 980158
|a Espionage
|
| 650 |
|
7 |
|2 fast
|9 949787
|a Cryptographers
|
| 942 |
|
|
|c BK
|
| 999 |
|
|
|c 361038
|d 361038
|
| 952 |
|
|
|0 0
|1 0
|2 ddc
|4 0
|6 652_800000000000000
|7 3
|9 419726
|a UL
|b UL
|c PROC
|d 2021-09-11
|e Donation -I.G.Bhaskara Panikker Family
|l 0
|o 652.8
|p G14213
|r 2021-09-11
|w 2021-09-11
|y BK
|