ALEXANDER, Derek; COWIE, T G; FINLAYSON, B; CLARKE, C. Excavation of pits containing decorated Neolithic pottery and early lithic material of possible Mesolithic date at Spurryhillock, Stonehaven, Aberdeenshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 127, p. 17–27, 1998. DOI: 10.9750/PSAS.127.17.27. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9961. Acesso em: 20 apr. 2024.