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| LEADER |
00767nam a2200313 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 27-05-2003
|
| 991 |
|
|
|a DOC
|
| 991 |
|
|
|a RMAYO
|
| 035 |
|
|
|a 017497
|
| 041 |
|
|
|a spa
|
| 092 |
|
|
|a N P36 M977
|
| 100 |
1 |
|
|a Murillo, G.
|
| 245 |
1 |
0 |
|a Conservacion de suelos
|
| 260 |
|
|
|a Managua (Nicaragua) :
|b ,
|c [199-?]
|
| 264 |
|
|
|a Managua (Nicaragua) :
|b ,
|c [199-?]
|
| 300 |
|
|
|a 26 p.
|
| 500 |
|
|
|a Ilus.; 4 ref.
|
| 650 |
|
7 |
|a CONSERVACION DE SUELOS
|
| 650 |
|
7 |
|a CONSERVACION DE AGUAS
|
| 650 |
|
7 |
|a ADOPCION DE INNOVACIONES
|
| 650 |
|
7 |
|a DRENAJE
|
| 650 |
|
7 |
|a MANEJO DEL SUELO
|
| 942 |
|
|
|c BK
|2 agris
|
| 952 |
|
|
|a 01
|b 01
|8 CG
|c CG
|y BK
|p D0461/03
|o N P36 M977
|