Mokhtari et al. (2008), Mookui et al. (2012 [2555])†, Naderloo (2017)†, Naderloo et al. (2015)†, Naderloo et al. (2016), Naderloo & Türkay (2012), Penha-Lopes et al. (2009)†, Rosenberg (2020)†, Shih et al. (2018)†, Shih et al. (2016), Shih et al. (2019), Shih & Poupin (2020)†, Shih et al. (2022), Trivedi & Vachhrajani (2017)†
Entries marked with † represent indirect references to location through citation.