Sharples NM, Barlow A, Birkett DA, Clarke A, Clarke AS, MacCormick F, et al. Excavations at Pierowall Quarry, Westray, Orkney. PSAS [Internet]. 1985 Nov. 30 [cited 2024 Nov. 22];114:75-125. Available from: https://journals.socantscot.org/index.php/psas/article/view/9155