Martín-Closas, Carles, et al. «A Refugium for Charophytes During the Maximum Post-Palaeozoic Sea-Level Highstand in the Turonian of Tarragona (Catalonia, Spain): Turonian Charophyte Refugium in Tarragona». Geologica Acta, vol. 23, desembre 2025, p. 1-19, http://raco.cat/index.php/GeologicaActa/article/view/10000002093.