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  1. By: Jerez Rodríguez, Rosa Viviane - Moroni B., Juan C.
    Type: Article
    In: Gayana (Concepción)
    Date: 2006-06-01
    Subjects: Chile  Dytiscidae  Elmidae  Gyrinidae Haliplidae  Hydraenidae  Hydrophilidae  Psephenidae