Gotfredsen, Anne Birgitte, Charlotte Primeau, Karin Margarita Frei, and Lars Jørgensen. 2014. “A Ritual Site With Sacrificial Wells from the Viking Age at Trelleborg, Denmark”. Danish Journal of Archaeology 3 (November):145-63. https://doi.org/10.1080/21662282.2015.1084730.