ðɪs θˈiəɹi hɐdbɪn ˈɛksplᵻkˌeɪɾᵻd baɪ dʒˈeɪ. dʒˈeɪ. ˈeɪ. wˈɜːsɑː ɪn hɪz ðə pɹaɪmˈiːvəl æntˈɪkwᵻɾiz ʌv dˈɛnmɑːɹk, pˈʌblɪʃt ɪn ˈɪŋɡlɪʃ ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈoːɹɾi nˈaɪn.
This theory had been explicated by J. J. A. Worsaae in his The Primeval Antiquities of Denmark, published in English in 1849.