Biblio

J. Pickford, “Technical brief no. 39: upgrading traditional wells”, Waterlines, an international journal of water, sanitation and waste, pp. p. 15-18 : ill., 2004.

J. Lane and Robinson, P., “Upgraded Family Wells in Zimbabwe : household-level water supplies for multiple uses”, vol. no. 7. World Bank, Nairobi, Kenya, p. 7 p. : photogr., 2002.

H. Alberts and J. Gonzalez, G., “Installation and maintenance manual for the extra strong rope pump for community wells”, [Documents on the technology transfer of the rope pump]. Bombas de Mecate, Managua, Nicaragua, p. 15 p.: tab., ill., 1995.

P. Morgan, “Upgraded well manual for field workers”. Mvuramanzi Trust, Harare, Zimbabwe, p. 27 p.: drwngs., map, 1995.

H. Alberts and J. Gonzalez, G., “Manual de instalacion y mantenimiento de la bomba de mecate extra fuerte”. Bombas de Mecate, Managua, Nicaragua, p. 15, 4 p. : drwngs, 1994.

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.

G. Babic, “An access plug for well chlorination”, Waterlines, an international journal of water, sanitation and waste, p. p. 22: 4. fig., 1992.

P. Sandiford and Gorter, A., “Well water study : a consultancy undertaken for COWATER International Inc.”. Liverpool Associates in Tropical Health, Liverpool, UK, p. 30 p.: i fig., 6 tab., 1992.

C. Gampher and Gates, S., “Well construction using curved hollow block”. Haribon Foundation, Manila, Philippines, p. 115 p.: fig., tab., 1989.

S. Laver, “Well sinking : a step by step guide to the construction of wells using the blasting method”. University of Zimbabwe, Department of Community Medicine, Harare, Zimbabwe, p. 43, xi p.: fig., 1987.

U. Steiner and Brunner, M. C., “Manual for the installation and maintenance of the Sarvodaya handpump SL 5”. Helvetas, Swiss Association for Development and Cooperation, Moratuwa, Sri Lanka, p. 42 p.: fig., 1986.