Moerassystemen in perspectief \ PAO - cursus "Moerassen voor de zuivering van water", 1, 2 en 3 mei 1990, Internationaal Agrarisch Centrum, Wageningen = Post Academic Course "Wetlands for the purification of water" [Hoofdstuk uit boek]
Fiselier, J.L. \ 1990
Toekomstmogelijkheden voor het helofytenfilter
Biological treatment of sewage by the activated sludge process [Boek]
Hänel, K. \ cop. 1988
This review of existing knowledge of the purification of sewage by the activated sludge process is written from the viewpoint of the hydrobiologist. It considers all the most important technical factors, such as the influence of aeration systems and ...
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