1. Palynological studies on some Nubia Sandstone samples in Ed-Dueim area, Sudan;Aboul Ela;Revista Espan˜ola Micropaleontologia,1978
2. Geology and coal deposits of Gebel Maghara, north Sinai;Al-Far;Geological Survey Egypt, Paper,1966
3. Beitrage zur Geologie des Kohlefuhrenden Gebietes von EI-Maghara, NordSinai (Ägypten);Al-Far;Geologische Mitteilungen,1965
4. Early-Late Cretaceous (Aptian-Cenomanian) palynomorphs;Batten;Journal British Micropal˦ontological Society, London,1985
5. Dinoflagellate cysts, sea level changes and planktonic foraminifers across the Cretaceous/Tertiary at El Haria, northwest Tunisia;Brinkhuis;Marine Micropal˦ontology,1988