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2. A revision of the stratigraphic distribution of some Cretaceous coccoliths in Texas;Barrier;Journal of Paleontology,1980
3. The evolution of Orbitoides media (Foraminiferida) in the late Campanian;Baumfalk;Journal of Foraminiferal Research,1986
4. Foraminiferes planctoniques du Crétacé de Tunisie;Bellier;Mèmoires de la Société Géologique de France, N. S.,1985
5. Micropaleontological bathymetry of the Cretaceous of western Morocco;Butt;Palaeogeography, Palaeoclimatology, Palaeoecology,1982