Naderloo (2017)†, Naderloo et al. (2015)†, Naderloo et al. (2016), Naderloo & Türkay (2012), Rosenberg (2020)†, Shih et al. (2018)†, Shih et al. (2022)†, Trivedi & Vachhrajani (2017)†
Entries marked with † represent indirect references to location through citation.