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ISBN 978-0-19-983969-8. (原始内容存档于2019-06-24) (英语). Simek, Rudolf. Dictionary of Northern Mythology. 由Angela Hall翻译. D. S. Brewer. 2000 [1993]. ISBN 0-85991-513-1.
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(2007) translated by Angela Hall. Dictionary of Northern Mythology. D.S. Brewer. ISBN 0-85991-513-1 Van der Velde, Koert (August 13, 2005). Zeeuwse godin