High resolution biostratigraphy of the upper cretaceous–lower tertiary sequence of saint Paul and Sudr el-heitan on both sides the Gulf of Suez, Egypt.
EGYPTIAN JOURNAL OF PALEONTOLOGY, Vol. 10, Eylül 2010, s. 179-225, ISSN: 1687-4986
EL-SHEİKH H.,EL-BESHTAWY M.,EL-QOT G.M.,ELDOSOUKY FATMA SHAKER ALI ELSAYED