Aprilyanto et al. (2017)†, Liu et al. (2014), Ng et al. (2017)†, Rosenberg (2019)†, Rosenberg (2020), Shen (1940), Shih et al. (2018)†, Shih et al. (2013), Shih et al. (2010), Shih et al. (2016), Shih et al. (2010), Shih et al. (2022), Zou et al. (1999)
Entries marked with † represent indirect references to location through citation.