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Llaneza, L., Alvares, F., Ordiz, A., Sierra, P. and Uzal Fernandez, A., 2004. Distribución y Aspectos Poblacionales del Lobo Ibérico en la Provincia de Ourense/Distribution and Populatin Aspects of the Iberian Wolf in the Province of Ourense, Spain. Ecologia, 18, pp. 227-238.