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| 005 | 20250425160910.0 | ||
| 008 | 250425s9999 xx 000 0 und d | ||
| 041 | _aeng | ||
| 082 | _aIBM4381 | ||
| 100 | _aSCHWARTZ, MISCHA | ||
| 245 | 0 | _aCOMMUNICATION SYSTEMS AND TECHNIQUES | |
| 250 | _aS.E. | ||
| 260 | _aS.L. | ||
| 260 |
_aSin Pais _bS.E. _c1950 |
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| 300 | _a615 | ||
| 942 | _c01 | ||
| 010 | _a7879 | ||
| 999 |
_c198426 _d198426 |
||