1. Begg, G. W. 1970. Limnological observations on Lake Kariba during 1967 with emphasis on some special features. Limnol. Oceanogr. 25: 776–788.
2. Bennett, F. D. 1974. Biological control, 99–106, in Aquatic Vegetation and its use and control edited by D. S. Mitchell, Unesco.
3. Bock, J. H. 1966. An ecological study of Eichhornia crassipes with special emphasis on its reproductive biology. Ph. D. Thesis, Univ. California, Berkeley.
4. Bock, J. H. 1969. Productivity of the Water Hyacinth, Eichhornia crassipes (Mart) Solms. Ecology. 50: 461–4.
5. Bond, W. J., Coe, N., Jackson, P. N. B. & Rogers, K. H. (in press). The limnology of Cabora Bassa, Moçambique, during its first year. Freshwater Biology.