Bertics & Ziebis (2009), Bonfil et al. (1992)†, Garth & Abbott (1980), Hubbard & Dugan (1989)†, Rosenberg (2000), Rosenberg (2001), Rosenberg (2002)†, Rosenberg (2020)†, Wicksten (2008)†, Wicksten (2012)†
Entries marked with † represent indirect references to location through citation.