Distribution of chemical constituents according to particle size in torrential rivers of the Basque county
The impact of a paper mill effluent spill on the fish populations of the Elands and Crocodile Rivers (Incomati System, Transvaal)
The use of dynamic membranes for the treatment of effluents arising from wool scouring and textile dying effluents
Correlates of water colour in streams rising in Southern Cape catchments vegetated by fynbos and/or forest
Die jaarlikse reënval, afloop en verhoging in afloop met verhoogde reënval vir die Vaalrivier-opvanggebied by Vaaldam