Marino Alfonso, J. L., M. Ángel Poblete Piedrabuena, S. Beato Bergua, and D. Herrera Arenas. “Geographical Itinerary With Augmented Reality through the Natural Landscape in the Arribes Del Duero of Zamora (Castile and Leon, Spain)”. Ería, vol. 41, no. 1, Feb. 2021, pp. 5-28, doi:10.17811/er.1.2021.5-28.