Was it for walrus? Viking Age settlement and medieval walrus ivory trade in Iceland and Greenland

Karin M. Frei, Ashley N. Coutu, Konrad Smiarowski, Ramona Harrison, Christian K. Madsen, Jette Arneborg, Robert Frei, Gardar Gudmundsson, Soren M. Sindbaek, James Woollett, Steven Hartman, Megan Hicks, Thomas H. McGovern