STIKA, H.-P. Großrestbestimmungen an Pollenprofilen aus Ambrona (Provinz Soria). Madrider Mitteilungen, Berlin, v. 48, p. 108–113, 2020. DOI: 10.34780/3d28-bf3x. Disponível em: https://publications.dainst.org/journals/mm/article/view/2726. Acesso em: 13 dec. 2025.