Biblio

W. P. James, “Hydropower valve : a new application for an old device”, Journal American Water Works Association, 1998.

L. J. M., Wegelin, M., and 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.

J. T. Visscher, J. M., L., and G. C., G., Multi-stage filtration : an innovative water treatment technology, vol. no. 34-E. The Hague, The Netherlands: IRC, 1998, p. xiii, 165 p. : 68 fig., 60 tab.

J. Edu Pisani, Operation and maintenance of solids-free sewer (SFS) systems in South Africa : guidelines for engineers, vol. no. TT 97/98. Pretoria, South Africa: Water Research Commission, WRC, 1998, p. viii, 19 p. : 1 tab.

G. Whitby, “Primary community school construction”, Appropriate technology, pp. p. 30-32 : 1 box, 1998.

D. Kone, “Problématique de l'épuration des eaux usées dans le contexte Ouest-africain”, pp. p. 177-184 : tabs., 1998.

M. T. Hai, Water harvesting : an illustrative manual for development of microcatchment techniques for crop production in dry areas, vol. no. 16. Nairobi, Kenya: SIDA, Swedish International Development Cooperation Agency, 1998, p. viii, 54 p. : fig., map, plates, tab.

D. D. Mara, Design manual for waste stabilization ponds in India. Leeds, UK: Lagoon Technology International, 1997, p. viii, 125 p. : fig., photogr., tab.

D. Lavanchy, “Distribution networks : technologies and their application to design and operation”, Aqua : journal of water supply research and technology, pp. p. 99-105 : 9 fig., 1997.

N. I. Bombas de Managua, “[Documents on the technology transfer of the rope pump]”. Bombas de Mecate, Managua, Nicaragua, p. 5 vol., 1997.

Z. A. Mvula Trus Braamfontein, “Guidelines to community managed water and sanitation services. Module 7. Managing procurement”. Mvula Trust, Braamfontein, South Africa, p. 21 p. : boxes, drwgs, 1997.

Z. A. Mvula Trus Braamfontein, “Guidelines to community managed water and sanitation services. Module 13. Sanitation”. Mvula Trust, Braamfontein, South Africa, p. 13 p. : boxes, fig., drwgs, 1997.

Z. A. Mvula Trus Braamfontein, “Guidelines to community managed water and sanitation services. Module 6. Construction contracts”. Mvula Trust, Braamfontein, South Africa, p. 9 p. : boxes, drwgs, 1997.

N. L. Calorama - Elburg, “Hand drilled wells”, vol. no. 3. Calorama Rural Development Service, Elburg, The Netherlands, p. 65 p. : fig., photogr., tab., tech. drwngs., 1997.

B. Brandberg, Latrine building : a handbook for implementing the SanPlat system. London, UK: IT Publications, 1997, p. viii, 168 p. : fig.

S. H. S. and Tene, C., “Letrina MFC - OPS/OMS”. Pan American Health Organization (PAHO), Tegucigalpa, Honduras, p. 4 p. : 2 photogr., 2 tab., 1997.

F. Ministry o FI and EG, B. Suef -, “Regional water supply and sanitation project in Beni Suef : manual for construction, operation and maintenance of double pit latrines”. Finland, Department for International Development Cooperation, Helsinki, Finland, p. 38 p. : ill., tech drwngs., 1997.

N. L. D. H. V. - Amersfoort, Dhaka, B. D. A. Q. U. A. Consu, and Dhaka, B. D. D. E. V. C. O. Nsult, “Sanitation (mission 2) : public toilets and community latrines : review and evaluation of existing designs proposals for new design concepts : technical report”. DHV, Amersfoort, The Netherlands, p. iv, 50 p. + 19 p. annexews : fig., tab., techn.drwng., 1997.

B. D. U. N. I. C. E. F. - Dhaka and BD, D. P. H. E. Bangladesh, “School sanitation programme”. UNICEF, Dhaka, Bangladesh, p. 20 p. : 2 fig, 2 tab., 5 techn. drwngs, 1997.

I. N. Sulabh Int Patna, “Sulabh international marches from urban to rural areas”. Sulabh International, New Delhi, India, p. 7, xxii p. : tech. drwngs., photogr., 1997.

R. Shaw and Pickford, J., “Technical brief no. 54 : emptying latrine pits”, Waterlines, an international journal of water, sanitation and waste, pp. p. 15-18 : ill., 1997.

U. Winblad, Towards an ecological approach to sanitation, vol. no. 5. Stockholm, Sweden: SIDA, Swedish International Development Cooperation Agency, 1997, p. i, 13 p. : drwngs.

R. Kidd, “Trainer's guide for water board training : small towns water supply and sanitation project”. Community Water and Sanitation Agency, Accra, Ghana, p. ii, 136 p. : ill., 1997.

N. Graham and Collins, R., “Advances in slow sand and alternative biological filtration”. Wiley, Chichester, UK, p. xvii, 461 p. : fig., tab., 1996.

M. Y. Saidam and Butler, D., “Algae removal by horizontal flow rock filters”, in Advances in slow sand and alternative biological filtration, 1996, pp. P. 327-339 : 8 fig., 2 tab.