Barnwell (1982), Deb (1998)†, Ho et al. (1993), Huang & Shih (2021)†, Ikeda et al. (2004), Irie et al. (2005), Ishigami et al. (2005), Kawaida et al. (2017), Miyake (1963), Ng et al. (2017)†, Ng et al. (2009)†, Ng et al. (2001)†, Ono (1963), Sakai (1974)†, Shih et al. (2023)†, Shih et al. (2013), Shih et al. (2010)†, Shih & Poupin (2020), Shih et al. (2022)†, Tomotsune et al. (2020), Weis (2019)†, Yamaguchi & Takeda (1973)†, Yoshigou (2001), Yoshigou (2002)†
Entries marked with † represent indirect references to location through citation.