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| LEADER |
01138nab a2200229 a 4500 |
| 001 |
000744599 |
| 005 |
20250304145928.0 |
| 008 |
960223s2016 cr qr r ||||||spa d |
| 040 |
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|a Sistema de Bibliotecas de Universidad de Costa Rica
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| 082 |
0 |
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|a 600
|b T
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| 100 |
1 |
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|a Mora Alvarado, Darner
|e Autor/a
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| 245 |
1 |
0 |
|a Estudio sobre la concentración de nitratos en los principales acuíferos del Valle Central de Costa Rica periodos 1989-2005 y 2006-2015 =
|b Nitrate concentration within the principal aquifers in the Central Valley of Costa Rica, 1989-2005 to 2006-2015 /
|c Darner A. Mora Alvarado, Nuria Alfaro Herrera, Carlos Felipe Portuguez Barquero.
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| 246 |
3 |
1 |
|i Título paralelo
|a Nitrate concentration within the principal aquifers in the Central Valley of Costa Rica, 1989-2005 to 2006-2015
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| 300 |
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|a 34-46 :
|b Gráficos.
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| 650 |
0 |
7 |
|a NITRATOS
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| 650 |
0 |
7 |
|a ACUIFEROS
|x BARVA (HEREDIA, COSTA RICA)
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| 650 |
0 |
7 |
|a CONTAMINACION DEL AGUA
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| 700 |
1 |
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|a Alfaro Herrera, Nuria María
|d 1962-
|e Autor/a
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| 700 |
1 |
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|a Portuguez Barquero, Carlos Felipe
|e Autor/a
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| 900 |
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|a 2025
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| 916 |
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|a Unidad de Referencia - BLDT
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| 949 |
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|a MVQ -MVQ
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