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|a Sistema Bibliotecario Universidad de El Salvador
|b spa
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|a 632.4
|b R618i
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|a Rivas Alberto, Roberto Antonio
|e autor
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|a Investigación sobre la presencia de alcaloides en los esclerocios de ustilaginoidea virens en plantaciones de arroz en El Salvador /
|c Roberto Antonio Rivas Alberto ; asesores ; Salvador Castillo Arévalo, Gustavo Adolfo Escobar Aguirre.
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| 264 |
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|a San Salvador :
|b Universidad de El Salvador,
|c 1987
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| 300 |
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|a xi, 66 hojas :
|b ilustraciones ;
|c 28 cm
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| 336 |
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|2 rdacontent
|a texto
|b txt
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|2 rdamedia
|a no mediado
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|2 rdacarrier
|a volumen
|b nc
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|a Tesis (Licenciado en Biología) -- Universidad de El Salvador, 1987.
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| 505 |
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|a Alcaloides -- Esclerocios -- Ustilaginoidea virens -- plantaciones de arroz en El Salvador /
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| 650 |
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|a Alcaloides
|2 lemb
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| 650 |
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|a Arroz
|2 lemb
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| 700 |
1 |
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|a Castillo Arévalo, Salvador
|e asesor
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|a Escobar Aguirre, Gustavo Adolfo
|e asesor
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