1.
Calder CST, Clarke AS, Speed JG, Henshall AS. Report on the Discovery of Numerous Stone Age House-Sites in Shetland. PSAS [Internet]. 1958 Nov. 30 [cited 2024 Dec. 10];89:340-97. Available from: https://journals.socantscot.org/index.php/psas/article/view/8498