Barrón, E., Sánchez-moya, Y., and Sopeña, A. 2009. New palynological and isotopic data for the Triassic of the western Cantabrian Mountains (Spain). Journal of Iberian Geology 35, 1, 35–45. Retrieved November 14, 2024 from https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0909120035A