J. Amigo, I. Pulgar, and J. Izco, “Evidence of riverside ash tree forests in southern Galicia (northwestern Spain)”, Lazaroa, vol. 30, pp. 181–189, Feb. 2010, Accessed: Feb. 04, 2026. Available: https://revistas.ucm.es/index.php/LAZA/article/view/LAZA0909110181A