1. Comparative studies on the upper cretaceous- early Paleogene sediments on the Red Sea coast, nile valley and western Desert, Egypt;Abd El-Razik;Proceedings of the 8th Arab Petroleum Congrress,1972
2. Notes on the cenomanian–turonian contact in the Galala Plateau, Eastern Desert, Egypt. Egyptian journal of Geology;Abdallah;United Arab Republic,1963
3. Geology of mersa thelmet area, southern Galala, Eastern Desert, A.R.E. Bull;Abdallah;Fac. Sci., Cairo Univ,1970
4. Stratigraphy and paleontology of the late cretaceous to early Eocene succession in Esh el-mellaha range, Eastern Desert, Egypt. Geological society of Egypt;Abdallah,1984