1. Achab, A., 1970. Le Permo-Trias saharien: Associations palynologiques et leurs applications en stratigraphie. Ph.D thesis Univ. Alger. 145p.
2. Aït Salem, H., Bourquin, S., Courel, L., Fekirine, B., Hellal, C., Mami, L., Tefiani, M., 1998. Triassic series on the Saharan Platform in Algeria; Peri-Tethyan onlaps and related structuration. In: Crasquin-Soleau, S., Barrier, E. (Eds.), Peri-Tethys Memoir 3: Stratigraphy and Evolution of Peri-Tethyan Platforms. Mém. Mus. Natn. Hist. Nat., Paris.
3. Attar, A., Fabre, J., Janvier, P., Lehman, J.P., 1981. Les vertébrés de la formation de Tiguentourine (Permo-Carbonifère, bassin d’Illizi, Algérie). Bull. Mus. Natn. Hist. Nat., Paris 4 (3) C4 and 301–309.
4. Boote, D.R.D., Clarck-Lowes, D.D., Traut, M.W., 1998. Paleozoic petroleum systems of North Africa. In: MacGregor, et al. (Eds.), Petroleum Geology of North Africa. Geol. Soc. London Spec. Publ., vol. 132, pp. 7–168.
5. A critic of Phanerozoic climatic models involving changes in the CO2 content of the atmosphere;Boucot;Earth Sci. Rev.,2001