Mínguez Fernández, José María. “THE INFLUENCE OF LOCAL POWERS IN THE FIRST ASTUR EXPANSION (9 TH AND 10 TH CENTURY)”. Revista de Historia Social Y de Las Mentalidades, vol. 20, no. 1, Aug. 2016, pp. 53-71, https://journals.usach.cl/ojs/index.php/historiasocial/article/view/2550.