YOUNG, Alison; LACAILLE, A D; ZEUNER, Frederick E. Report on standing stones and other remains near Fowlis Wester, Perthshire: With a report on the quartzes and a report on samples of soil from the East circle. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 77, p. 174–184, 1943. DOI: 10.9750/PSAS.077.174.184. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8195. Acesso em: 5 may. 2024.