McHardy I, Barrowman C, MacLeod M, MacSween A, McKenzie J, Ramsay S, et al. The Severe Terrain Archaeological Campaign: investigation of stack sites of the Isle of Lewis 2003–2005. SAIR [Internet]. 2009 Jan. 1 [cited 2024 Apr. 25];36:1-153. Available from: https://journals.socantscot.org/index.php/sair/article/view/2205