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02117nam a2200325 a 4500 |
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050201s1975||||es a |||||||||||||spa|| |
| 040 |
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|a Sistema Bibliotecario Universidad de El Salvador
|b spa
|
| 094 |
|
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|a 597.0929
|b C355i
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| 100 |
|
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|a Castro Aragón, Ricardo Alfredo
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| 245 |
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|a Ictiofauna y algunas determinaciones físico-químicas en el Río Lempa /
|c Ricardo Alfredo Castro Aragón.
|
| 260 |
|
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|a San Salvador :
|b Universidad de El Salvador,
|c 1975
|
| 300 |
|
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|a 79, [47] h. :
|b il.
|
| 336 |
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|2 rdacontent
|a texto
|b txt
|
| 337 |
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|2 rdamedia
|a no mediado
|b n
|
| 338 |
|
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|2 rdacarrier
|a volumen
|b nc
|
| 500 |
|
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|a Incluye anexos -- Trabajo de graduación asesorado por : Krikor Barsegh Ghazarian
|
| 502 |
|
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|a Tesis (Licenciatura en Biología) -- Universidad de El Salvador, San Salvador, 1975
|
| 504 |
|
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|a Bibliografía : h. 75-79
|
| 650 |
|
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|a Control de ríos
|x Investigaciones
|2 LEMB
|
| 650 |
|
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|a Peces
|z El Salvador
|2 LEMB
|
| 653 |
|
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|a Río Lempa
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| 942 |
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|c BK
|2 ddc
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