Naderloo (2017)†, Naderloo & Türkay (2012)†, Naser et al. (2010), Rosenberg (2019)†, Rosenberg (2020), Shih et al. (2018)†, Shih et al. (2016), Shih et al. (2019)†, Shih & Poupin (2020)†, Shih et al. (2022)
Entries marked with † represent indirect references to location through citation.