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| LEADER |
00870nam a2200337 i 4500 |
| 007 |
ta |
| 040 |
|
|
|a Universidad Nacional Agraria
|b spa
|
| 907 |
|
|
|a P36
|
| 911 |
|
|
|a M
|
| 978 |
|
|
|a GRH
|
| 979 |
|
|
|a 20-12-1997
|
| 980 |
|
|
|a EMF
|
| 981 |
|
|
|a 04/08/2021
|
| 991 |
|
|
|a DOC
|
| 991 |
|
|
|a EMF040821
|
| 991 |
|
|
|a ACTUALIZACION DE REGISTRO 1997
|
| 035 |
|
|
|a 004643
|
| 041 |
|
|
|a spa
|
| 092 |
|
|
|a N P36 R173
|
| 100 |
1 |
|
|a Ramírez D, Margarita
|
| 245 |
1 |
0 |
|a Taller prácticas de conservación de suelos para tierra de laderas
|
| 260 |
|
|
|a Jalapa (Nicaragua) :
|b ,
|c 1997
|
| 264 |
|
|
|a Jalapa (Nicaragua) :
|b ,
|c 1997
|
| 300 |
|
|
|a 25 p.
|
| 500 |
|
|
|a Ilus.
|
| 650 |
|
7 |
|a CONSERVACION DE SUELOS
|
| 650 |
|
7 |
|a TERRENO EN DECLIVE
|
| 650 |
|
7 |
|a LABRANZA DE CONSERVACION
|
| 650 |
|
7 |
|a NICARAGUA
|
| 942 |
|
|
|c BK
|2 agris
|
| 952 |
|
|
|a 01
|b 01
|8 CG
|c CG
|y BK
|p D1468/97
|o N P36 R173
|