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2000
Ekanayake, N.E.M.S.B., «A strategy for sanitation in Sri Lanka : reuse of wastewater in irrigation», vol. no. 102. IHE (International Institute for Infrastructural, Hydraulic and Environmental Engineering), Delft, The Netherlands, p. viii, 86 p. : 8 fig., 38 tab., 2000.
Boer, A.W., Bouwman, L., Eisma, E. H., y Keijser, R., «Water, sanitation and health project 2000 Sindhupalchok district, Nepal : final report». Vajra Foundation Nepal (VFN), Kathmandu, Nepal, p. 81 p. + 37 p. annex. : ill., map, photogr., tab., 2000.
1999
McGhee, T.J., Abastecimiento de agua y alcantarillado. Bogota, Colombia: McGraw-Hill, 1999, p. 614 p. : tab., graphics, photos.
University of Zambia -Lusaka, ZM, «Chilanga township sewerage treatment plant». University of Zambia, Lusaka, Zambia, p. 12 p. : tech. drwngs., 1999.
Kwame Asante and Associates -Accra, GH, «Community water and sanitation division, unit cost study : final report». Ghana Water and Sewerage Corporation, Community Water and Sanitation Division, GWSC / CWSD, Accra, Ghana, p. 44 p.: 1 fig., 24 tab, 1999.
Del Porto, D. y Steinfeld, C., The composting toilet system book : a practical guide to choosing, planning and maintaining composting toilet systems,a water-saving, pollution-preventing alternative. Concord, MA, USA: Center for Ecological Pollution Prevention, 1999, p. 234 p. : fig., photogr.
EPA -Washington, DC, US. Office of Water, «Composting toilets». US Environmental Protection Agency (EPA), Washington, DC, USA, p. 7 p. : 1 fig., 1 tab., 1999.
Manz, D., «CWF household filter». Samaritan's Purse, International Relief, p. 58 p. : photogr., tabs., 1999.
Diaz Cadavid, A., Diseño estadístico de experimentos. Medellin, Colombia: , 1999, p. 347 p. : tab.
Karp, A. y Daane, J., «Dominican Republic : evaluation of rural water and sanitation infrastructure construction», vol. no. 70. Environmental Health Project (EHP), Arlington, VA, USA, p. viii, 44 p. : 2 fig., 1 tab., 41 photogr., 1999.
Webster, M., Effective demand for rural water supply in South Africa : technical and financial implications of designing to meet demand. Loughborough, UK: Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, 1999, p. xviii, 100 p. 10 fig., 3 graphs, 1 map, 21 tab.
Galvis C., G., Latorre M., J., y Visscher, J.T., Filtracion en multiples etapas : tecnologia innovativa para el tratamiento de agua, vol. no. 34-S. Cali, Colombia: CINARA, 1999, p. 197 p. : 68 fig., 60 tab.
Rodeco Consulting GmBH - Bad Homburg, DE, «MIS of community based sanitation in Addis Ababa». Water and Sanitation Program - East and Southern Africa, Nairobi, Kenya, p. 55 p. : fig., tab., 1999.
Empresas Municipales de Cali -Cali, CO, Emcali, Normas y especificaciones de construccion para el sistema de acueducto. Cali, Colombia: EMCALI EICE E.S.P Empresas Municipales de Cali Empresa Industrial y Comercial del Estado, 1999, p. 106 ip. : tab., graphics.
CINARA -Cali, CO y IRC International Water and Sanitation Centre, The Hague, NL, «Planeacion y diseño de sistemas de tratamiento de agua por filtracion en multiples etapas, FiME ». CINARA, Cali, Colombia, p. video (20 min.): VHS, NTSC, 1999.
Thomas, D.B., Where there is no water : a story of community water development and sand dams in Kitui District, Kenya. Nairobi, Kenya: Maji na Ufanisi, Water and Development, 1999, p. vi, 55 p. : boxes, fig. photogr., tab.
1998
Esrey, S.A., Gough, J., Rapaport, D., Sawyer, R., Simpson-Hebert, M., Vargas, J., y Winblad, U., Assainissement écologique. Stockholm, Sweden: SIDA, Swedish International Development Cooperation Agency, 1998, p. 93 p. : boxes, fig., tab.
Carter, R., Howsam, P., Gardner, S., y Tyrrel, S., «Biological removal of iron from well-handpump water supplies», Waterlines, an international journal of water, sanitation and waste, pp. p. 29-31 : 2 fig., 3 photogr., 1998.
Deverill, P.A. y Still, D.A., «Building school VIPs : guidelines for the design and construction of ventilated improved pit toilets and associated facilities for schools». National Sanitation Co-ordination Office (NaSCO), Pretoria, South Africa, p. 37 p. : ill., tech. drwngs., 1998.
Erpf, K., «The Bush Pump : the national standard handpump of Zimbabwe». SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. ii, 28 p. : 10 photogr., tab., 1 tech. drwng., 1998.
Thogersen, J., «Design and performance of a Danida designed arsenic removal unit presented at the workshop : "measurement and mitigation strategies for arsenic in drinking water at field level"». Bangladesh, Department of Public Health Engineering (DPHE), Dhaka, Bangladesh, p. 6 p. : fig., 1998.
Prakke, D., «Design manual for rural water supply in Bhutan». SNV Netherlands Development Organization, Thimphu, Bhutan, p. 88 p. : fig., tab., 1998.
Mara, D.D. y Pearson, H.W., Design manual for waste stabilization ponds in Mediterranean countries. Leeds, UK: Lagoon Technology International, 1998, p. vii, 112 p. : fig., photogr., tab.
Esrey, S.A., Gough, J., Rapaport, D., Sawyer, R., Simpson-Hebert, M., Vargas, J., y Winblad, U., Ecological sanitation. Stockholm, Sweden: SIDA, Swedish International Development Cooperation Agency, 1998, p. 93 p. : boxes, fig., tab.
Hudson, C., «Guide to constructing tyre gardens», Waterlines, an international journal of water, sanitation and waste, pp. p. 10-12 : 2 boxes, 2 fig., 1 photogr., 1998.

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