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| 100 | 1 | _aOregon State University | |
| 245 | 1 | 0 | _aTwenty-fifth Annual Biology Colloquium. Proceedings. Microbiology and soil fertility |
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| 260 |
_aCorvallis - EEUU _bOregon State College _c1964 |
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_a164p. _c23cm |
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_aAnnual Biology Colloquium,25th _v |
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_xBiologia _xCiencias biologicas _xCongresos _xMicrobiologia _xFertilidad _xSuelo _z |
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