| 000 | 00465nam a22001817a 4500 | ||
|---|---|---|---|
| 005 | 20251108173401.0 | ||
| 008 | 250721s1997 xx 000 0 eng d | ||
| 020 | _a071050991x | ||
| 082 | 1 | 4 | _aJ/ 652.8 |
| 245 | 1 | 0 | _aSecret Codes / |
| 264 | 1 |
_abridlington : _bpeter haddock, _c1997. |
|
| 300 | _a68 p. | ||
| 490 | 0 |
_alet,s investigate _v27 |
|
| 650 | 1 | 7 | _aCRYPTOGRAPHY |
| 653 | _aناشئون صغار (10-14 سنة) | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c102619 _d102619 |
||