Andreetta et al. (2014)†, Branch & Grindley (1979), Emmerson (1990), Emmerson (1994), Hartnoll et al. (2002), Hodgson (1987), Kochey (2013)†, Macnae (1962), Neethling & Jubb (1972), Peer et al. (2015), Rosenberg (2020)†, Shih et al. (2018)†, Shih et al. (2022)†, Torres et al. (2009)†, Vorsatz (2009)
Entries marked with † represent indirect references to location through citation.