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| LEADER |
01312nam a2200457 i 4500 |
| 007 |
ta |
| 040 |
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|a Universidad Nacional Agraria
|b spa
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| 907 |
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|a P10
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| 908 |
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|a E11
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| 911 |
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|a M
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| 978 |
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|a EMF
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| 979 |
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|a 24-03-1998
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| 980 |
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|a LMGD
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| 981 |
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|a 10/06/2022
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| 991 |
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|a DOC
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| 991 |
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|a TESISIN
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| 991 |
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|a CATIE
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| 991 |
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|a Actualización
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| 991 |
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|a Registros1998
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| 991 |
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|a LG10622
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| 035 |
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|a 007605
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| 041 |
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|a spa
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| 092 |
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|a T N P10 M539
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| 100 |
1 |
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|a Mendoza Alvarez, Maria Eugenia
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| 245 |
1 |
0 |
|a Impacto del uso de la tierra, en la calidad del agua de la microcuenca Rio Sabalos, Cuenca del Río San Juan, Nicaragua
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| 260 |
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|a Turrialba (Costa Rica) :
|b ,
|c 1996
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| 264 |
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|a Turrialba (Costa Rica) :
|b ,
|c 1996
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| 300 |
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|a 81 p.
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| 500 |
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|a Ilus.; 49 ref. Actualización de registro D1650/97c01; D1609/98c02
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| 520 |
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|a Sumarios (Es, En)
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| 502 |
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|a Tesis (Mag Sc)
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| 650 |
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7 |
|a CALIDAD DEL AGUA
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| 650 |
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7 |
|a CONTAMINACION
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| 650 |
|
7 |
|a CUENCAS HIDROGRAFICAS
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| 650 |
|
7 |
|a UTILIZACION DE LA TIERRA
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| 650 |
|
7 |
|a NICARAGUA
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| 653 |
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|a ANALISIS DE LA INFORMACION
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| 653 |
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|a RIO SAN JUAN
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| 942 |
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|c BK
|2 agris
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| 952 |
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D1650/97c01
|o T N P10 M539
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| 952 |
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D1609/98c02
|o T N P10 M539
|