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  1. By: Ferrer Hernández, Francisco,
    Type: Article
    In: Boletín de la Sociedad Española de Historia Natural
    Volume: 14
    Date: 1914
    Page Range: 451--455
    Publication Info: Madrid, Estab. tip. de Fortenet, 1901-1937
  2. By: Ferrer Hernández, Francisco,
    Type: Article
    In: Trabajos del Museo de Ciencias Naturales. Serie zoológica
    Volume: 27
    Date: 1916
    Page Range: 1--52
    Publication Info: Madrid, El Museo, 1912-1913