1. Lower Paleozoic trilobites from subsurface rocks of the Western Desert, Egypt
2. Early Cambrian Carbonate Platform of the Arabian Shield
3. A. Beleity, M. Hinawi, H. Gebali, M. Ghoneim, M. Fathi, and M. Kamel(1986 ) Paleozoic Stratigraphy, Paleogeography and Paleotectonics in the Gulf of Suez. EGPC VIII Exploration Conference, Cairo.