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_a333.713 _bEUA 1975 |
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| 110 | 1 | _aE.U.A. National Academy of Sciences | |
| 245 |
_aProductivity of world ecosystems: _bproceedings of a symposium (1972) _cNational Academy of Sciences |
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| 264 |
_aWashingtonEUA _bU.S. National Committe For The International Biological Program _c1975 |
||
| 300 | _avii, 166 p. / 28 cm. | ||
| 500 | _aFACULTAD DE ZOOTECNIA | ||
| 650 | 0 | _aEcosistemas | |
| 650 | 0 |
_aRecursos naturales _xexplotación |
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| 903 |
_aAC _bZ02624 |
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| 905 | _aLibros | ||
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| 950 | _c20021023 | ||
| 950 | _c20060109 | ||
| 950 | _c20111027 | ||
| 950 | _c20230914 | ||
| 999 |
_c141567 _d141567 |
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