Biblio

J. Pickford, “Technical Brief No. 39 : Upgrading traditional wells”, Waterlines, an international journal of water, sanitation and waste, vol. no. 39, pp. 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, pp. P. 90-92.

Socio-Economic Units, Kerala -Trivandrum, IN and 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., and Briscoe, J., “Modeling village water demand behaviour : a discrete choice approach”, Water resources research, pp. p. 521-529 : fig., tab., 1990.

S. D. National C. Khartoum and 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 and Tayeh, A., “Guinea worm and water supply in Kordofan, Sudan”, Journal of the Institution of Water and Environmental Management, pp. 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 and 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 and 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, pp. p. 481-486, 1978.

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