Barea-Azcón et al. (2008), Burton (2015), De Buen (1923), de Gibert et al. (2013), de Miranda y Rivera (1933)†, de Miranda y Rivera (1933)†, González-Gordillo et al. (1990), Pereyra et al. (2019)†, Pinoni et al. (2018)†, Rodríguez-Tovar et al. (2014), Rodríguez-Tovar et al. (2014)†
Entries marked with † represent indirect references to location through citation.