1. Abdin, G., 1948a. Physical and chemical investigations relating to algal growth in the River Nile, Cairo. Bull. Inst. Égypte 29: 19?44.
2. Abdin, G., 1948b. Seasonal distribution of phytoplankton and sessile algae in the River Nile, Cairo. Bull. Inst. Égypte 29: 369?382.
3. Abdin, G., 1948c. The conditions of growth and periodicity of the algal flora of the Aswan reservoir (Upper Egypt). Bull. Fac. Sci. egypt. Univ. 27: 157?175.
4. Abu Gideiri, Y. B., 1969. The development and distribution of plankton in the northern part of the White Nile. Hydrobiologia 33: 369?378.
5. Akiyama, T., A. A. Kajumulo & S. Olsen, 1977. Seasonal variations of plankton and physicochemical condition in Mwanza Gulf, Lake Victoria. Bull. Freshwat. Fish. Res. Lab. Tokyo 27: 49?61.