1. Adams, B. (1995). Ancient Nekhen: Garstang in the city of Hierakonpolis. Whitstable: SIA.
2. Attia, T. E., & Shendi, E. H. (2013). Uranium migration history in the igneous and metamorphic rocks of Solaf-Umm Takha area, based on multi-variate statistical analysis and favorability indices, central south Sinai, Egypt. IOSR Journal of Applied Geology and Geophysics,
2013, 2321-0990.
3. Dickson, B., & Scott, K. (1997). Interpretation of aerial gamma-ray surveys-adding the geochemical factors. AGSO Journal of Australian Geology and Geophysics,
17, 187–200.
4. El-Shishtawy, A., Atwia, M., El-Gohary, A., & Parizek, R. (2013). Impact of soil and groundwater corrosion on the Hierakonpolis Temple Town archaeological site, Wadi Abu Sufian, Idfu, Egypt. Environmental Monitoring and Assessment,
185(6), 4491–4511.
5. Erdi-Krausz, G., Matolin, M., Minty, B., Nicolet, J., Reford, W., & Schetselaar, E. (2003). Guidelines for radioelement mapping using gamma ray spectrometry data: Also as open access e-book. Vienna: International Atomic Energy Agency (IAEA).