Genetic evidence for a family-based Scandinavian settlement of Shetland and Orkney during the Viking periods

Authors: Sara L. Goodacre, Agnar Helgason, Jane Nicholson, Lorraine Southam, Laura Ferguson, Eileen Hickey, Emilce Vega, Kāri Stefánsson, Ryk Ward, B.A. E. R. SYKES - Heredity 2005 cited by 101