1991
B. Mathew,
« Socio-economic aspects of water selling »,
Waterlines, an international journal of water, sanitation and waste, p. p. 21-24: 2 tab., photogr., 1991.
Socio-Economic Units, Kerala -Trivandrum, IN,
« Socio-economic Units, Kerala, Kerala Water Authority : six-month report, April - October 1991 ». Kerala Water Authority, Socio-Economic Units, Trivandrum, India, p. various paging, 1991.
A. Derrick, Francis, C., et Bokalders, V.,
Solar photovoltaic products : a guide for development workers, Rev.ed. London, UK: IT Publications, 1991, p. 127 p.: fig., ill., tab.
R. H. B. Exell,
« Solar-powered water pumping in Asia and the Pacific ». United Nations, New York, NY, USA, p. v, 55 p.: 14 fig., 8 tab., 5 maps, 1991.
A. Al-Mohani, Heederik, J. P., et van Dalfsen, W.,
« Sources for Sana'a Water Supply (SAWAS - II Project) : progress report 91-3, no. 8 : reporting period July - September 1991 ». National Water and Sewerage Authority, Sana'a, Yemen, p. 6 p., 1991.
PAHO -Washington, DC, US,
« Special report : water supply and sanitation »,
Bulletin of the Pan American Health Organization, p. p. 87-96, 1991.
C. Hafner, Campbell, D. B., et Chauvin, J.,
« Status report on GARNET », in
Collaborative council global forum, Oslo, September 18-20, 1991 : collected papers, 1991, p. 20 p.: tab.
B. Hydbom,
« Step draw-down pumping test », vol. no. 4. UNICEF, Copenhagen, Denmark, p. 14 p.: fig., 1991.
R. K. Siddhi et Joshi, V. R.,
« Strategies for a sanitation master plan », in
Infrastructure, environment, water and people : proceedings of the 17th WEDC Conference, United Nations Centre for Human Settlement (Habitat), Nairobi, Kenya, 19-23 August 1991, 1991, p. P. 97-101: 4 fig.
G. J. Alaerts, Blair, T. L., et Hartvelt, F. J. A.,
« A strategy for water sector capacity building : proceedings of the UNDP symposium, Delft, 3-5 June, 1991 », vol. 24. IHE (International Institute for Infrastructural, Hydraulic and Environmental Engineering), Delft, The Netherlands, p. 191 p. : fig., tab., 1991.
K. D. Kappus, Hopkins, D. R., Ruiz-Tiben, E., Imtiaz, R., Andersen, J., Azam, M., et Attiq, A.,
« A strategy to speed the eradication of dracunculiasis »,
World health forum, p. p. 220-225: 3 fig., 1991.
R. G. A. Feachem, Cousens, S. N., Daniels, D. L., et Makoae, L. N.,
« A study of the association between improved sanitation facilities and children's height in Lesotho »,
European journal of clinical nutrition, p. p. 23-32: 1 fig., 3 tab., 1991.
UN Economic Commission for Africa -Addis Ababa, ET, ECA,
« Study on large-scale water transfer in Africa ». United Nations Economic Commission for Africa (ECA), Addis Ababa, Ethiopia, p. 39, 24 p.: 3 fig., 4 tab., 1991.
L. F. Requena et Myton, B. A.,
« Surface and groundwater contamination in selected watersheds in Southwestern El Salvador », vol. no. 354. Environmental Health Project (EHP), Arlington, VA, USA, p. xvii, 152 p.: 1 fig., 4 maps, photogr., 16 tables, 1991.
E. A. R. Ouano et Cairncross, S.,
Surface water drainage for low-income communities. Geneva, Switzerland: World Health Organization (WHO), 1991, p. v, 88 p.: fig., photogr., tab.
A. R. Bergen,
« Suriname watervoorziening V ». National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands, p. 71 p. : tab. , ill., 1991.
R. Rojas, Lloyd, B. J., Wheeler, D., Pardon, M., Wedgwood, K., et Bartram, J.,
Surveillance and improvement of Peruvian drinking water supplies. Guildford, UK: University of Surrey, Robens Institute, 1991, p. xii, 54 p.: fig., tab., photogr.
B. J. Lloyd et Helmer, R.,
Surveillance of drinking water quality in rural areas. Harlow, UK: Longman Publishers, 1991, p. xvi, 171 p.: fig., tab., photogr.
I. Rajiv Gand IN,
« Survey of status of drinking water supply in rural habitations ». Rajiv Gandhi National Drinking Water Mission, New Delhi, India, p. 30 p., 1991.