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| 003 | BD-ChCU | ||
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| 040 | _cBD-ChCU | ||
| 082 | _a984.648 SPI(3) | ||
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_aSpencer , Donald , D. _917095 |
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| 245 |
_aIntroduction to information processing ./ _c D. Donald , Spencer. |
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| 250 | _a3rd ed. | ||
| 260 |
_aColumbus : _bMerrill , _cC 1981 |
||
| 300 | _axvi ,792p | ||
| 650 | 0 |
_aCommunication. _917098 |
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_2ddc _cBK _n0 |
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_c109929 _d109929 |
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