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| 005 | 20220329135821.0 | ||
| 008 | 971013s1967 r 00010 d | ||
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| 090 | _aFolleto 5262y | ||
| 110 | 1 |
_aE.U.A. Soil Conservation Service _934964 |
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| 245 | 1 | 0 | _aQué es un plan de conservación de la granja? |
| 260 |
_aMéxico, D. F. : _bCentro Regional de Ayuda Técnica, _c1967 |
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| 300 |
_a8 p. _b: ilus. |
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_aBATCH-UPD _b10 _c20130110 _lUCH01 _h2006 |
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_aBATCH-UPD _b10 _c20130410 _lUCH01 _h1325 |
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_aBATCH-UPD _b10 _c20130914 _lUCH01 _h2037 |
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| 590 |
_aCONVERSION _b10 _c20130109 _lUCH01 _h1324 |
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| 650 | 1 | 4 |
_aSuelos _xConservación. _9110283 |
| 901 | _aBK | ||
| 942 | _cFOLL | ||
| 949 |
_aFolleto 5262y _bBC _cFOLL _d-108652 _eTS1 _i47859 _si |
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_c42750 _d42750 |
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