000 | 00616cam a22002051 4500 | ||
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001 | 1695389 | ||
003 | BD-DhUL | ||
005 | 20161214152547.0 | ||
008 | 711228s1967 nyuach b 000 0 eng | ||
010 | _a 63016109 | ||
040 |
_aDLC _cDLC _dDLC _dBD-DhUL |
||
082 | 0 | 0 |
_a652.8 _bKAC |
100 | 1 |
_aKahn, David, _d1930- |
|
245 | 1 | 4 |
_aThe codebreakers : _bthe story of secret writing / _cDavid Kahn. |
260 |
_aNew York, _bMacmillan _c[1967] |
||
300 |
_axvi, 1164 p. : _billus., facsims., ports ; _c24 cm. |
||
504 | _aIncludes bibliographical references. | ||
650 | 0 |
_aCryptography _xHistory. |
|
942 |
_2ddc _cBK |
||
999 |
_c135294 _d135294 |