Balss (1924)†, Boone (1934)†, Crane (1975)†, El-Sayed et al. (2016), Lewinsohn (1977)†, Naderloo et al. (2010)†, Nobili (1906), Shih & Poupin (2020)†, Shih et al. (2022)†
Entries marked with † represent indirect references to location through citation.