ANTON, J. A. The dynamic celestial Native American calendar of Devil’s Den Gettysburg, Pennsylvania, USA. Open Journal of Archaeometry, [S. l.], v. 2, n. 2, 2014. DOI: 10.4081/arc.2014.5293. Disponível em: https://www.pagepress.org/journals/arc/article/view/arc.2014.5293. Acesso em: 25 apr. 2024.