| 000 | 00437nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 220916s9999 xx 000 0 und d | ||
| 020 | _a9781526605481 | ||
| 035 | _a2462 | ||
| 082 |
_a327.1241 _bFER |
||
| 100 | _aFERRIS, JOHN | ||
| 245 |
_aBEHIND THE ENIGMA _bTHE AUTHORIDES HISTORY OF GCHQ, BRITAIN'S SECRET CYBER-INTELLIGENCE AGENCY |
||
| 260 |
_aLONDON _bBLOOMSBURY _c2021 |
||
| 300 | _aXIII,831P,PBKP. | ||
| 500 | _a832 | ||
| 942 | _cA | ||
| 999 |
_c2462 _d2462 |
||