Stonehenge and Avebury: Megalithic shadow casting at the solstices at sunrise. Journal of Lithic Studies, [S. l.], v. 4, n. 4, p. 39–66, 2017. DOI: 10.2218/jls.v4i4.1920. Disponível em: https://journals.ed.ac.uk/lithicstudies/article/view/1920. Acesso em: 4 apr. 2025.