Observations on the effects of water exchange rate on the growth rate of Oreochromic mossambicus (Peters) Part 1: Production fish over a period of 200 days
Observations on the effects of water exchange rate on the growth rate of Oreochromic mossambicus (Peters) Part 2: Juvenile fish over the first 60 days after hatching
Projektering van waterbehoeftes in stedelike gebiede (Deel 2): ‘n Ex post analise van die akkuraatheid van verskillende projeksiemetodes
Projektering van watervraag in stedelike gebiede (Deel 3): Die meervoudige regressiemodel as makro-projeksiemodel
Efficiency of the Euroguard domestic water treatment unit with regard to viruses, phages and bacteria
Costs and affordardability of water supply and sanitation provision in the urban areas of South Africa