MACADAM, W Ivison. Notes of the Analyses of Additional Samples of Bog Butter found in different parts of Scotland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 23, p. 433–434, 1889. DOI: 10.9750/PSAS.023.433.434. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6344. Acesso em: 4 may. 2024.