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| 005 | 20251108172622.0 | ||
| 008 | 250721s9999 xx 000 0 eng d | ||
| 082 | 1 | 4 | _a004.62HEN |
| 100 | 1 | _aHenshall, John | |
| 245 | 1 | 0 | _aOSI Explained / |
| 264 | 1 |
_aLondon : _bJohn wiley, |
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| 300 | _a214 p | ||
| 650 | 1 | 7 | _aComputer systems |
| 650 | 1 | 7 | _aCommunication net works |
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_2ddc _cBK |
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| 999 |
_c84186 _d84186 |
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