el-Hangary, S.M. 1992. 'The Excavations of the Egyptian Antiquities Organization at Ezbet Hassan Dawud (Wadi Tumilat), Season 1990', in: van den Brink (ed.),The Nile Delta in Tansition; 4th - 3rd. millenium BC.┬á┬á1992, 215-6.┬á
See also http://www.e-c-h