1. Abdel-Kireem, M.R., Ibrahim A. and Samir, A.M. (1995): Upper Cretaceous planktonic foraminiferal zonation and correlation in the northern part of the Western Desert, Egypt. - N. Jb. Geol. Paläont. Abh. 198/3:329–361
2. Abdel-Kireem MR, Samir AM (1995) Biostratigraphic implications of the Maastrichtian-lower Eocene sequence at the North Gunna section, Farafra Oasis, Western Desert, Egypt. Marine Micropal 26:329–340
3. Barakat MG, Abdel Hamid ML (1974) Subsurface geology of Farafra Oasis, Western Desert, Egypt. Jour. Geol (17/2):97–110
4. Barthel KW, Hermann-Degen W (1981) Late Cretaceous and early tertiary stratigraphy in the Great Sand Sea and its SE margins (Farafra and Dakhla oases) SouthWestern desert, Egypt. Mitt Bayer Staatsslg Paläont Hist Geol 21:141–182
5. Beadnell, H. J. L. (1901): Farafra Oasis, its topography and geology. - Egypt. Surv. Dept., Cairo, 39