Abele & Kim (1986)†, Almeida et al. (2008)†, Coelho (1994/1995)†, Crane (1957), Crane (1975)†, Domínguez Alonso (2008), Felder et al. (2009)†, González (2024)†, Powers (1977), Rosenberg (2020), Thurman (1979), Thurman (1981)†, von Hagen (1970), von Hagen (1987)†
Entries marked with † represent indirect references to location through citation.