Machause López, Sonia, César Esteban, and Fernando Moya Muñoz. “Enduring Sacred Places: The Astronomical Orientation of the Iberian Cave-Sanctuary of Cueva Santa Del Cabriel in Spain”. Journal of Skyscape Archaeology 5, no. 1 (August 15, 2019): 56-78. Accessed September 21, 2020. http://journal.equinoxpub.com/JSA/article/view/12234.