Biblio

L. J. M., Wegelin, M., y G. C., G., «La filtracion gruesa en el tratamiento de agua de fuentes superficiales», vol. no. 4/98. SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. vi, 170 p. : fig., photogr., tab., 1998.

M. Wegelin, Zimmerman, T., y Burgthaler, B., «Rehabilitation of slow sand filters and new treatment plant designs in rural Cameroon», in Advances in slow sand and alternative biological filtration, 1996, pp. P. 359-369 : 7 fig., 5 tab.

M. Wegelin, Surface water treatment by roughing filters : a design, construction and operation manual, vol. no. 2/96. St. Gallen, Switzerland: SKAT (Swiss Centre for Development Cooperation in Technology and Management), 1996, p. 163 p. : fig., tab.

M. Wegelin y Schertenleib, R., «Roughing filters for water treatment», IRCWD news, pp. p. 1-8: 7 fig., 1993.

M. Wegelin, Schertenleib, R., y Boller, M., «The decade of roughing filters : development of a rural water-treatment process for developing countries», Aqua : journal of water supply research and technology, pp. p. 304-316: 17 fig., 2 tab., 1991.

T. S. A. Mbwette y Wegelin, M., «Design, operation and maintenance considerations of horizontal flow roughing filters», Waterlines, an international journal of water, sanitation and waste, pp. p. 27-29: fig., photogr., tab., 1989.

M. Wegelin, «Horizontal-flow roughing filtration (HRF) : a design, construction and operation manual», vol. no. 06/86. International Reference Centre for Waste Disposal, Duebendorf, Switzerland, p. 142 p. in various pagings: fig., tab., 1986.