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  1. By: Artigas, Jorge N., - Campusano, Ernesto - González, Urcesino
    Type: Article
    In: Gayana. Zoología
    Volume: 49
    Date: 1985
    Page Range: 3--30
    Publication Info: [Concepción, Chile], Universidad de Concepción, Instituto de Biología, 1961-1998