Anne Karin Hufthammer, Karl Ove Hufthammer: The great auk in Norway: From common to locally extinct. In: International Journal of Osteoarchaeology. Band33, Nr.4, Juli 2023, ISSN1047-482X, S.588–597, doi:10.1002/oa.3161 (wiley.com [abgerufen am 22. April 2024]).
Anne Karin Hufthammer, Karl Ove Hufthammer: The great auk in Norway: From common to locally extinct. In: International Journal of Osteoarchaeology. Band33, Nr.4, Juli 2023, ISSN1047-482X, S.588–597, doi:10.1002/oa.3161 (wiley.com [abgerufen am 22. April 2024]).
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Anne Karin Hufthammer, Karl Ove Hufthammer: The great auk in Norway: From common to locally extinct. In: International Journal of Osteoarchaeology. Band33, Nr.4, Juli 2023, ISSN1047-482X, S.588–597, doi:10.1002/oa.3161 (wiley.com [abgerufen am 22. April 2024]).