| 000 | 00571 a2200265 4500 | ||
|---|---|---|---|
| 001 | 4314 | ||
| 020 | _a0-85012-211-210 | ||
| 041 | _aeng | ||
| 080 | _a681.327.8:65.012.8 Pri | ||
| 245 | _aSecurity in on-line systems | ||
| 250 | _a | ||
| 260 | _aManchester | ||
| 260 | _bNCC Pub., | ||
| 260 | _c1979 | ||
| 300 | _a187 p. | ||
| 300 | _c21 cm | ||
| 490 | _a | ||
| 100 | _aPritchard, J.A.T. | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aOn-line data processing | ||
| 650 | _aElectronic data processing departments-Security measures | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c5613 _d5613 |
||