1. Belmonte, J.A. and Garcia, A.C.G. (2017) “Petra Revisited: An Astronomical Approach to the Nabatean Cultic Calendar”, Culture and Cosmos, A Journal of the History of Astrology and Cultural Astronomy, Volume 21, No. 1 and 2, pp. 131–143.
2. Belmonte J.A., et al (2013) “Light and Shadows over Petra: astronomy and landscape in Nabataean lands”. Nexus Network Journal, 15, pp. 487–501.
3. Brown University Petra Archaeological Project, https://www.brown.edu/Departments/Joukowsky_Institute/Petra.
4. Liritzis, I., et al (2015) “Nabatean Tombs Orientation by Remote Sensing: Provisional Results”, Mediterranean Archaeology and Archaeometry, Vol. 15, No 3, pp. 289–299.
5. Markoe, G. ed. (2003) Petra Rediscovered, Cincinnati Art Museum, N.Y.: Harry N. Abrams, Inc.