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Liessens, J.

Janssens, J.G. et al., 1990. Polyurethane prefilters to improve slow sand filtration. , pp.p. 130-142: fig., tab.

Published on: 30/12/2004

Verstraete, W., Liessens, J. & Vochten, P., 1988. The application of polyurethane to improve slow sand filters,

Published on: 30/12/2004

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