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Filters: Keyword is surface water intakes and Author is Visscher, J.T.  [Clear All Filters]
1988
J. T. Visscher and Veenstra, S., “La filtration lente sur sable : manuel d'entretien”, vol. no. 1. IRC, The Hague, The Netherlands, p. viii, 72 p.: ill., 1988.
1985
S. Veenstra and Visscher, J. T., “Slow sand filtration : manual for caretakers”, vol. no. 1. IRC, The Hague, The Netherlands, p. vi, 73 p.: ill., 1985.
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