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| 008 | 971013s1965 r 00010 d | ||
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_aHeld, R. Burnell. _953410 |
| 245 | _aSoil conservation in prespective | ||
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_aBaltimore, Md. : _bJohns Hopkins, _c1965 |
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_a344 p. _b: mapas |
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_aBATCH-UPD _b10 _c20130110 _lUCH01 _h2005 |
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_aCONVERSION _b10 _c20130109 _lUCH01 _h1309 |
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| 650 | 1 | 4 |
_aSuelos _xConservación. _9110283 |
| 700 | 0 |
_aClawson, Marion. _923735 |
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