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|a OCLC
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4 |
|a S622
|b C57
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1 |
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|a Christy, Lawrence C.
|9 422193
|
| 245 |
1 |
0 |
|a Legislative principles of soil conservation
|c / Lawrence C. Christy.
|
| 260 |
|
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|a Roma :
|b FAO,
|c 1971
|g Reimpr. 1972.
|
| 300 |
|
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|a 68 p.
|c ; 27 cm.
|
| 490 |
0 |
0 |
|a FAO soils bulletin
|
| 504 |
|
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|a Incluye bibliografía.
|
| 650 |
|
4 |
|a Conservación de suelos.
|
| 650 |
|
4 |
|a Servicios de Recursos.
|
| 650 |
|
4 |
|a Manejo de suelos.
|9 4014
|
| 942 |
|
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|c LIBRO
|6 _
|
| 999 |
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|c 32383
|d 32383
|
