1. Ph.D Thesis Paris;F Burollet,1956
2. Bishop, W.F. (1975). Geology of Tunisia and adjacent parts of Algeria and Libya. AAPG Bull., v.59, pp.413–450.
3. Ph.D. Thesis;F Chaabani,1995
4. De Wever, P., Azéma, J., Fourcade, E. (1994) Radiolaires et radiolarites: production primaire, diagenèse et paléogéographie. Bull. Ctr. Rech. Expl.-Prod. Elf Aquitaine, v.18, pp.315–379.
5. Henchiri, M. (2007) Sedimentation, depositional environment and diagenesis of Eocene biosiliceous deposits in Gafsa basin, southern Tunisia. Jour. Afr. Earth Sci., v.49, pp.187–200.