ALLEN, John Romilly. Notes on Fire-Producing Machines. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 14, p. 229–253, 1880. DOI: 10.9750/PSAS.014.229.253. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5920. Acesso em: 26 apr. 2024.