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| 005 | 20250114190019.0 | ||
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| 041 | _aeng | ||
| 082 |
_bJ1 _aI |
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| 100 | _aVickery, B.C. | ||
| 245 | _aOn Retrieval System Theory. | ||
| 260 |
_c1961 _bButter Worths _aLondon |
||
| 300 | _ax, 159p. | ||
| 365 | _cRs. | ||
| 650 | _aI | ||
| 700 | _aVickery, B.C. | ||
| 999 |
_c65540 _d65540 |
||