1. Palynostratigraphy and paleoenvironment of Abu Roash formation in Abu Gharadig Basin, Western Desert, Egypt;Abd-Elshafy;Bulletin Faculty of Science Zagazig University,1991
2. Palynostratigraphy of the lower Cretaceous rocks in the area between Qattara depression and the Nile Delta;Abd-Elshafy;Bulletin Faculty of Science Zagazig University,1996
3. Litho-, bio-, chrono-, ecostratigraphy and regional correlation of Abu Hammad Jurassic, Egypt;Abd-Elshafy;Bulletin Faculty of Science Zagazig University, Egypt,1987
4. The middle Jurassic microflora from El Maghara N°4 borehole Northern Sinai, Egypt;Abdel Mohsen;Journal of African Earth Sciences,1990
5. Jurassic paynomorphs from the northern part of the Western Desert, Egypt;Abdel Mohsen;Bulletin of the Faculty of Science, Assiut University,1988