The elasmobranchs of the north-western Red Sea. Publications of the Marine Biological Station of Al–Ghardaqa, 13, 1–144
Keeping elasmobranchs in vivaria. Publications of the Marine Biological Station of Al–Ghardaqa, 13, 241–250
On the anatomy of Manta ehrenbergii, with notes on Mobula kuhlii. Publications of the Marine Biological Station of Al–Ghardaqa, 10, 191–238