1 - M.N. EL-SABROUTY (1980): “Palynological studies on the Nubia Sandstone from some localities in Egypt” M. Sc. Thesis, Assiut University, Egypt, 144p., 25 plates.
2 - M.N. EL-SABROUTY (1985): “Palynological studies on some Tertiary sedimentary rocks from the North-Western desert of Egypt” Ph. D. Thesis, Assiut University, Assiut, Egypt – Languedoc University, Montpellier, France, 123p., 30 plates.