SAVILLE, Alan; GRANT, Eric; CAVERS, Graeme; BRABY, Alan. A Scottish Neolithic carved stone ball with enigmatic surface details. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 141, p. 19–29, 2012. DOI: 10.9750/PSAS.141.19.29. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9767. Acesso em: 25 apr. 2024.