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_aWilliams, Colin H. _913913 |
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| 245 | _aEuropean research index ; a guide to European research including medicine, agriculture and engineering | ||
| 250 | _a2nd ed. | ||
| 260 |
_aLondon : _bFrancis Hodgson, _c1969. |
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| 300 | _av.1, 911 páginas | ||
| 653 | _aDIRECTORIOS | ||
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_c4047 _d4047 |
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_c1 _dOsvaldo Sosa |
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