Biblio

M. Carney, “European drinking water standards”, Journal American Water Works Association, pp. p. 48-55: tab., 1991.

F. Gomez, M. Badel, H., en M. Badel, H., “Evaluación comparativa de la operación y mantenimiento de filtros lentos en arena a escala piloto que utilizan mantas sintéticas y naturales”. Universidad del Valle, Facultad de Ingenieria, Cali, Colombia, p. 95 p., 1991.

A. M. Sandoval Villasana, “Evaluacion de filtros de cantera cafe como potabilizadores de agua en zonas rurales”, in International Seminar on Efficient Water Use : proceedings = Seminario Internacional sobre el Uso Eficiente del Agua : ponencias, 1991, pp. p. 856-859: 2 tab.

J. van der Heide, Orozco, J. G., en van Wasbeek, D., Evaluacion hidraulica de plantas potabilizadoras de filtracion rapida en Nicaragua, vol. no. 40. Delft, The Netherlands: Delft University of Technology, Department of Civil Engineering, 1991, p. 34 p. : 16 fig., 7 tab.

M. Yacoob en Cook, T., “Evaluating community participation”, vol. no. 98. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. iii, 23 p.: fig., 1991.

M. R. Collins, Eighmy, T. T., en Malley, J. P., “Evaluating modifications to slow sand filters”, Journal American Water Works Association, pp. p. 62-70: 7 fig., 5 tab., photogr., 1991.

R. Middleton, Jennings, L., en Joyce, S. D., “Evaluation guidelines for training in water and sanitation”, vol. no. 70. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. v, 38 p.: fig., 1991.

M. J. D. Graham en Clarke, B. A., “Evaluation of fabric enhanced reduced depth slow sand filters : research scheme R4648 : [progress report]”. University of Surrey, Department of Civil Engineering, Guildford, UK, p. 25 p.: 17 fig., ill., 1991.

W. Ankersmit en van Gorkum, W. F. E., “Evaluation of phase 1 of the rehabilitation of the Calueque-Olushandja Regional State Water Scheme Namibia”. Namibia, Department of Water Affairs, Windhoek, Namibia, p. 44 p.: 3 tab., 1991.

Z. W. University Harare, Evaluation of rural water supply and sanitation projects in Zimbabwe : handbook. Harare, Zimbabwe: University of Zimbabwe, Training Centre for Water and Sanitation, 1991, p. 42 p. + 16 p. ann.

Z. W. Training C. Harare, “Evaluation of the integrated rural water supply and sanitation project Mount Darwin district”. Zimbabwe, Ministry of Local Government, Rural and Urban Development, Harare, Zimbabwe, p. 37 p. : tab., 1991.

dela Rive J. Box, Ishengoma, D. M., Kimei, V., Mowo, F., en Bekker, D., “Evaluation of the rural water and sanitation programmes, Shinyanga and Morogoro regions”. Netherlands, Ministry of Foreign Affairs, DGIS, The Hague, The Netherlands, p. iii, 41 p.: 4 fig., 1991.

H. Christensen, Gray, K., Kleemeier, E., Loft, M., en Schaumburg-Mueller, H., “Evaluation report : drinking water projects in India”. DANIDA, Ministry of Foreign Affairs, Copenhagen, Denmark, p. : 4 fig., 19 tab., 1991.

D. Auret en Laver, S., “Evaluation report NORAD project 15: development and production of training and education materials : volume 1”. NORAD, Norwegian Agency for Development Cooperation, Harare, Zimbabwe, p. 82 p.: tab., 1991.

I. N. Operations Baroda en Delhi, I. N. H. U. D. C. O. - New, “Evaluation study of low cost sanitation in West Bengal”. Housing and Urban Development Corporation, New Delhi, India, p. 99 p.: fig., tab., 1991.

I. N. H. U. D. C. O. - New Delhi, Human Settlements Management Institute -New Delhi, IN, HSMI, en Patna, I. N. Sulabh Int, “Evaluation study of low cost sanitation programme : Madhya Pradesh”. Housing and Urban Development Corporation, New Delhi, India, p. 11 p., 1991.

M. Toot, “An evaluation study of operation and maintenance of Afridev hand-pumps installed under the demonstration phase of rural water supply, sanitation and hygiene education project”. IRC, The Hague, The Netherlands, p. 2 vol. (46, 37 p.): photogr., tab., 1991.

A. W. Mayo, “Experience in rainwater harvesting in Tanzania”, in Rainwater catchment for future generations : proceedings of the 5th International Conference on Rain Water Cistern Systems, Keelung, Taiwan, 4-10 August 1991, 1991, pp. P. 535-546 : 1 fig., 3 tab.

T. - TZ, “Facts for life health education initiative : second plan of action, 1991”. Government of Tanzania, Dar es Salaam, Tanzania, p. 52 p., 1991.

L. Monjour, Henry, P., Guillemin, F., en Uwechue, N., “Faecal contamination of rural water supply in the Sahelian area”, Water resources, pp. p. 923-927: 2 fig., 3 tab., 1991.

A. Pradesh (S. IN, “Farm to fabric programme in Nalgonda dist. under Netherlands assisted project”. India (Andhra Pradesh), Department of Sericulture, Hyderabad, India, p. 87 p. : tab., 1991.

J. M. Kerr, “Farmers' practices and soil and water conservation programs : summary proceedings of a workshop, 19-21 Jun[e] 1991, ICRISAT Center, India”. International Crops Research Institute for the Semi-Arid Tropics (ICRISAT, Patancheru, India, p. iv, 58 p., 1991.

K. R. Rao, “Feasibility of developing a community based operation and maintenance system for rural water supplies”, in NAP India '91 : conference on Indo-Dutch bilateral cooperation in rural water supply and sanitation, February 25-26 1991, Lucknow, 1991, p. 9 p.

N. Ministry o NG, “Federal Republic of Nigeria : rural water supply and sanitation sector strategy and action plan”. Nigeria, Ministry of Water Resources, Lagos, Nigeria, p. 62 p.: tab., fig., 1991.

W. H. M. van Immerzeel, “Field-irrigation training in the Peruvian Andes”, Waterlines, an international journal of water, sanitation and waste, pp. p. 5-8: photogr., 1991.