| 000 | 00526cam a2200169 4500 | ||
|---|---|---|---|
| 020 |
_a080528100 (pbk) : _c46.00 SGD |
||
| 100 | 1 | _aFREEDMAN Maurice | |
| 245 |
_aUnravelling enigma : _bwinning the code war at Station X / _cMaurice Freedman. |
||
| 260 |
_aBarnsley UK : _bPen & Sword, _c2001. |
||
| 300 |
_avii, 190 p. : _bill. |
||
| 650 |
_aSECOND WORLD WAR _xSIGNALS INTELLIGENCE |
||
| 650 | _aBLETCHLEY PARK | ||
| 650 | _aENIGMA PROJECT | ||
| 650 | _aCODE BREAKING | ||
| 945 |
_i29023-1002 _rY _sY |
||
| 945 |
_i29023-1001 _rY _sY |
||
| 999 |
_c14530 _d14530 |
||