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| LEADER |
00933nam a2200349 i 4500 |
| 007 |
ta |
| 040 |
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|a Universidad Nacional Agraria
|b spa
|
| 907 |
|
|
|a P36
|
| 911 |
|
|
|a M
|
| 978 |
|
|
|a RSM
|
| 979 |
|
|
|a 02-03-2001
|
| 991 |
|
|
|a DOC
|
| 991 |
|
|
|a ROFE
|
| 035 |
|
|
|a 012193
|
| 041 |
|
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|a spa
|
| 092 |
|
|
|a P36 S446
|
| 110 |
1 |
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|a Secretaría de Estado Unidos, Washington (EUA)
|
| 245 |
1 |
0 |
|a Manual de conservación de suelos
|
| 260 |
|
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|a Washington (EUA) :
|b ,
|c [19--?]
|
| 264 |
|
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|a Washington (EUA) :
|b ,
|c [19--?]
|
| 300 |
|
|
|a 330 p.
|
| 500 |
|
|
|a Ilus.
|
| 650 |
|
7 |
|a CONSERVACION DE SUELOS
|
| 650 |
|
7 |
|a EROSION
|
| 650 |
|
7 |
|a TERRAZAS
|
| 650 |
|
7 |
|a SISTEMAS DE RIEGO
|
| 650 |
|
7 |
|a CONSERVACION DE AGUAS
|
| 650 |
|
7 |
|a TIERRAS AGRICOLAS
|
| 942 |
|
|
|c BK
|2 agris
|
| 952 |
|
|
|a 01
|b 01
|8 CG
|c CG
|y BK
|p L0562/00c01
|o P36 S446
|
| 952 |
|
|
|a 01
|b 01
|8 CG
|c CG
|y BK
|p L0563/00c02
|o P36 S446
|
| 952 |
|
|
|a 01
|b 01
|8 CG
|c CG
|y BK
|p L0529/03c03
|o P36 S446
|