1. Note on the cenomanian-turonian contact in the Galala plateaux, Eastern Desert. Egypt. Egypt;Abdallah;J. Geol.,1963
2. Stratigraphy of lower mesozoic rocks, western side of Gulf of Suez;Abdallah;Geol. Surv. Min. Res. Dept., U.A.R., spec. pap.,1963
3. Stratigraphie séquentielle et paléogéographie à la limite Cénomanien Turonien dans la région de Gafsa-Chott area (Tunisie centrale);Abdallah;Cretac. Res.,2000
4. Cenomanian-turonian macrobiostratigraphy of abu darage area, northern Galala, Eastern Desert, Egypt;Abdel-Gawad,2006
5. Macrobiostratigraphy of the upper Cretaceous succession from southern Galala, eastern desert, Egypt;Abdel-Gawad,2007