| 000 | 00410nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 211224s9999 xx 000 0 und d | ||
| 020 | _a9780684867809 | ||
| 082 | _a940.548641 MAR | ||
| 100 | _aMarks, Leo | ||
| 245 | 0 | _aBetween silk and cyanide : a codemaker's war, 1941-1945 | |
| 260 |
_aNew York: _bFree Press, _c1998 |
||
| 300 | _a613 p. : ill. ; 25 cm | ||
| 650 | _aCryptographers - Great Britain - Biography | ||
| 999 |
_c29295 _d29295 |
||