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| 008 | 150614s9999 xx 000 0 und d | ||
| 082 | _a621.382 MAR-T R | ||
| 100 | _aJames Martin | ||
| 245 | _aTelecommunications and the Computer | ||
| 250 | _a0 | ||
| 260 | _c1969 | ||
| 300 | _a0 | ||
| 650 | _aTelecommunications and the Computer James Martin | ||
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