| 000 | 00853nam a2200253 a 4500 | ||
|---|---|---|---|
| 005 | 20250930093300.0 | ||
| 008 | 981208s1980 xxk 000 0 eng | ||
| 020 | _a0850122538 | ||
| 039 | 9 |
_a200806291114 _brosma _y08-18-1999 _zload |
|
| 090 | _aQA76.9.A25P74 | ||
| 090 |
_aQA76.9.A25 _bP74 |
||
| 100 | 1 |
_aPritchard, J. A. T., _q(John A. T.) _946800 |
|
| 245 | 1 | 0 |
_aData encryption / _cby John A.T. Pritchard |
| 260 |
_aManchester : _bNational Computing Centre, _c1980 |
||
| 300 |
_a1v. (various pagings) ; _c30 cm. |
||
| 504 | _aIncludes bibliographical references | ||
| 650 | 0 |
_aComputers _xAccess control _xPasswords |
|
| 907 |
_a.b10504941 _b2021-05-28 _c2019-11-12 |
||
| 942 |
_c01 _n0 _kQA76.9.A25P74 |
||
| 914 | _avtls000052578 | ||
| 991 | _aFakulti Sains Matematik | ||
| 998 |
_at _b1999-05-08 _cm _da _feng _gxxk _y0 _z.b10504941 |
||
| 999 |
_c52434 _d52434 |
||