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03213cam a2200385a 44500 |
| 020 |
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|a 978-99923-27-56-2
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| 040 |
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|a Sistema Bibliotecario Universidad de El Salvador
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| 041 |
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|a spa.
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| 082 |
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|a 595.76
|b R618c
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| 100 |
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|a Rivas Flores, Andrés Wilfredo
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| 245 |
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|a Consideraciones generales para el estudio y monitoreo de diatomeas en los principales ríos de El Salvador/
|c Andrés Wilfredo Rivas Flores, Ricardo Ernesto Gómez Orellana, Ana Jeannette Monterrosa Urías.
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| 250 |
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|a 1a. ed.
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| 260 |
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|a San Salvador:
|b Editorial Universitaria (UES),
|c 2010.
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| 300 |
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|a 49 p. :
|b il.
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| 592 |
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|a Generalidades de las diatoméas -- Uso de organismos como indicadores biológicos de calidad de agua -- Diatomeas para determinar calidad del agua en ríos -- Indices basados en la comunidad de diatomeas -- Aspectos ecológicos de las diatomeas -- Guía metodológica para el muestreo de diatomeas -- Microfotografías de los géneros de diatomeas encontrados en ríos de El Salvador.
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| 650 |
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|a Diatomeas
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| 650 |
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|a Contaminación de ríos
|2 LEMB
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| 650 |
|
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|a Agua-Medio ambiente
|2 LEMB
|
| 700 |
|
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|a Gómez Orellana, Ricardo Ernesto
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| 700 |
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|a Monterrosa Urías, Ana Jeannette
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| 991 |
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|a agr_vidal
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| 992 |
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|a 15/07/2010
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| 942 |
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|c BK
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| 999 |
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