| 000 | 00327 a2200121 4500 | ||
|---|---|---|---|
| 080 |
_a681.14.004.4 _bF 239 S |
||
| 245 | 1 |
_aSecurity for computer systems _cby M.A.L. Farr, et. al. |
|
| 260 |
_aDevon _bNational Computing Centre _c1974 |
||
| 650 | _aComputer Systems | ||
| 100 | 1 | _aFarr, M.A.L. | |
| 300 | _a172 p. | ||
| 901 | _a142851 | ||
| 999 |
_c89810 _d89810 |
||