| 1. |
- Frei, Karin M., et al.
(författare)
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Was it for walrus? : Viking Age settlement and medieval walrus ivory trade in Iceland and Greenland
- 2015
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Ingår i: World archaeology. - : Informa UK Limited. - 0043-8243 .- 1470-1375. ; 47:3, s. 439-466
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Tidskriftsartikel (refereegranskat)abstract
- Walrus-tusk ivory and walrus-hide rope were highly desired goods in Viking Age north-west Europe. New finds of walrus bone and ivory in early Viking Age contexts in Iceland are concentrated in the south-west, and suggest extensive exploitation of nearby walrus for meat, hide and ivory during the first century of settlement. In Greenland, archaeofauna suggest a very different specialized long-distance hunting of the much larger walrus populations in the Disko Bay area that brought mainly ivory to the settlement areas and eventually to European markets. New lead isotopic analysis of archaeological walrus ivory and bone from Greenland and Iceland offers a tool for identifying possible source regions of walrus ivory during the early Middle Ages. This opens possibilities for assessing the development and relative importance of hunting grounds from the point of view of exported products.
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| 2. |
- Ibbotson, Paul, et al.
(författare)
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Frequency filter : an open access tool for analysing language development
- 2018
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Ingår i: Language, Cognition and Neuroscience. - : Informa UK Limited. - 2327-3798 .- 2327-3801. ; 33:10, s. 1325-1339
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Tidskriftsartikel (refereegranskat)abstract
- We present an open-access analytic tool, which allows researchers to simultaneously control for and combine language data from the child, the caregiver, multiple languages, and across multiple time points to make inferences about the social and cognitive factors driving the shape of language development. We demonstrate how the tool works in three domains of language learning and across six languages. The results demonstrate the usefulness of this approach as well as providing deeper insight into three areas of language production and acquisition: egocentric language use, the learnability of nouns versus verbs, and imageability. We have made the Frequency Filter tool freely available as an R-package for other researchers to use at https://github.com/rosemm/FrequencyFilter.
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