Biblio

J. Pickford, « Technical Brief No. 39 : Upgrading traditional wells », Waterlines, an international journal of water, sanitation and waste, vol. no. 39, p. p. 15-18: ill., 1994.

C. J. Austin, « Chlorinating household water in The Gambia », in Water, sanitation, environment and development : proceedings of the 19th WEDC conference, Accra, Ghana, 6-10 September 1993, 1993, p. P. 90-92.

Socio-Economic Units, Kerala -Trivandrum, IN et Trivandrum, I. N. Kerala Sta, « The bacterial quality of water in selected wells in Kerala : an investigation », vol. no. 6. Kerala Water Authority, Socio-Economic Units, Trivandrum, India, p. iii, 23 p. : tab., 1991.

X. Mu, Whittington, D., et Briscoe, J., « Modeling village water demand behaviour : a discrete choice approach », Water resources research, p. p. 521-529 : fig., tab., 1990.

S. D. National C. Khartoum et Delft, N. L. T. N. O. - D. G. V. In, « Water resources assessment and development project in the Sudan (WADS). Appendix H : Manual for extension workers ». TNO Institute for Applied Geoscience, Delft, The Netherlands, p. 149 p., 1989.

S. Cairncross et Tayeh, A., « Guinea worm and water supply in Kordofan, Sudan », Journal of the Institution of Water and Environmental Management, p. p. 268-274: fig., tab., 1988.

F. Ryan, Pumps without water : misconceived water policy. Indore, India: Satprakashan Sanchar Kendra, 1988, p. 50 p.: drwng.

M. Nagorski et Pineo, C., « A workshop design for well improvement : protecting open wells ». Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. 243 p.: fig., 1988.

O. Larrea et Loomis, S., « Well improvment workshop, Agua Azul, Honduras, September 14 to 25, 1987 », vol. no. 222. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. VIII, 29 p.: fig., tab., 1987.

IDRC -Ottawa, Ont., CA, International Development Research Centre, « Prescription for health ». International Development Research Centre (IDRC), Ottawa, Ont, Canada, p. video (23 min.): VHS, Pal, 1986.

IDRC -Ottawa, Ont., CA, International Development Research Centre, « Aqua y salud ». International Development Research Centre (IDRC), Ottawa, Ont, Canada, p. Video (23 min.) : VHS, Pal, 1983.

IDRC -Ottawa, Ont., CA, International Development Research Centre, « L'eau et l'hygiene ». International Development Research Centre (IDRC), p. video (23 min.): VHS, 1983.

S. K. Tewari, « Economics of wind energy use for irrigation in India », Science, p. p. 481-486, 1978.

W. E. Wood et Watt, S. B., Hand dug wells and their construction. London, UK: IT Publications, 1976, p. 234 p.: photogr., ill.