> Olsen, Birgit A; Olander, Thomas; Kristiansen, Kristian. "Tracing the Indo-Europeans: Introduction". in Olsen, Birgit Anette Olsen; Olander, Thomas; Kristiansen, Kristian (eds). *Tracing the Indo-Europeans: New Evidence from archaeology and historical linguistics*. Oxbow Books, 2019. > in [[olsen-olander-kristiansen2019]]