• Iniciación al estudio de los ovinos gallegos 

      Aparicio Ruiz, F.; Vera y Vega, A. (Universidad de Córdoba, Servicio de Publicaciones, 1976)
      Three breeds could be described among the Galaic sheep population of N. W. Spain: Celtic, G. Churra and G. entrefina. The first is the smallest, its live weight being 25-30 Kg in adult ewes, with concave profile heads, ...