1. Geology and iron deposits of the Bahariya Oasis;Akkad;Egypt. Geol. Surv.,1963
2. Baharia oasis, its topography and geology;Ball,1903
3. Late Cretaceous and Early Tertiary stratigraphy in the Great Sand Sea and its SE margins (Farafra and Dakhla Oases), SW Desert, Egypt;Barthel;Mitt. Bayer. Staatslg. Paläont. hist. Geol.,1981
4. Sedimentologie, Lithostratigraphie and Palökologie der Bahariya-Formation (Cenoman) als mögliches Pendant der Kharga und Baris-Formationen des Dakhla-Beckens;Dominik,1984