Biblio

J. E. M. Smet, Visscher, J. T., and G. C., G., “Slow sand filter design and construction : learning from experience”, in Slow sand filtration : an international compilation of recent scientific and operational developments, 1994, pp. P. 28-37, 306: 4 fig., 2 tab.

J. E. M. Smet, “Report on problems in operation and performance of new slow sand filters of REGIDESO, Bujumbura, Burundi”. IRC, The Hague, The Netherlands, p. 7 p. + appendices (ca. 70 p.): drwngs., 1990.

J. E. M. Smet and Visscher, J. T., “Pre-treatment methods for community water supply : an overview of techniques and present experience”. IRC, The Hague, The Netherlands, p. 174 p.: fig., tab., 1989.