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| 003 | OSt | ||
| 005 | 20220912145534.0 | ||
| 006 | a|||||r|||| 00| 0 | ||
| 007 | ta | ||
| 008 | 220909b |||||||| |||| 00| 0 eng d | ||
| 024 | _a69967 | ||
| 037 | _cTextual | ||
| 040 |
_aCSL _beng _cCSL |
||
| 041 | _aeng | ||
| 082 | _aD65,8(2:55), L7 | ||
| 100 | _aOpen university | ||
| 245 | 0 |
_cby Open university _aSystem modelling |
|
| 260 |
_aWalton _bHall Open University _c1977 |
||
| 300 |
_ap. _ccm. |
||
| 650 | _aElectronic engineering | ||
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