1. Oil pollution of the marine environment in the area of Alexandria;Aboul-Dahab;Ves Jour. Etud. Pollut.,1981
2. Relationship between dissolved and dispersed petroleum hydrocarbons and floating tar in Alexandria costal waters;Aboul-Dahab;Ves. Jour. Etud. Pollut.,1981
3. Middle East Economic Survey,1987
4. A sidetracking neuston net;Ben-Yami;Mar. Biol.,1970
5. Plastics, pelagic tar and other litter;Carpenter,1976