1. Abdel Halim, M., 2001. Future hydrocarbon potential in the Nile Delta offshore and onshore, Delta, modern and ancient, In: Proceedings of the First International Symposium on the Delta, Cairo, Egypt,March 13–19, 1999, pp. 159–174.
2. Al Alfy, I.M., 2009. Radioactivity and reservoir characteristics of lower Miocene rocks in Belayim marine oil field. Ph.D. Thesis, Faculty of Science, Zagazig University,Gulf of Suez, Egypt, 174 pp.
3. On the uranium content in petroleum;Alekperov;Geokhimiya,1959
4. Concerning the mechanism of formation of radiometric anomalies above petroleum deposits. K voprosy o mekhanizm obrazovaniyaradiometricheskikh anomaly nad neftyanymi mestorozhdeniyami;Alekseev;Sov. Geol.,1966
5. Natural gas in Egypt, its occurrence, reserves, and future prospects;Barakat;Research project on source development and policyt in Egypt. Petroleum and Natural gas. June, Cairo, Egypt, pp 1–78,1986