Shirataki obsidian exploitation and circulation in prehistoric northern Japan. Journal of Lithic Studies, [S. l.], v. 1, n. 1, p. 319–342, 2014. DOI: 10.2218/jls.v1i1.768. Disponível em: https://journals.ed.ac.uk/lithicstudies/article/view/768. Acesso em: 5 dec. 2025.