HAYDEN, Brian. Look. Up in the Sky... It’s a Bird, It’s a Plane, It’s a Bear!. Journal of Skyscape Archaeology, [S. l.], v. 4, n. 1, p. 118–123, 2018. DOI: 10.1558/jsa.36093. Disponível em: https://journal.equinoxpub.com/JSA/article/view/10680.. Acesso em: 16 jul. 2024.