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“How the rope pump won in Nicaragua”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 3-5: 2 tab., photogr., 1993.
I. Ali and Jilani, S.,
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P. Roark, Burns, K., Daane, J., Holister, B., and Raleigh, J.,
“Midterm evaluation of water and sanitation activities in Malawi : a review of two components of the "promoting health interventions for child survival" project”, vol. no. 329. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xiii, 152 p.: ill., 16 tab., 1993.
I. Mathewson,
“The rebirth of the hydraulic ram pump”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 10-14: 6 fig., 1993.
E. J. Berg,
Rethinking technical cooperation : reforms for capacity building in Africa. New York, NY, USA: UNDP Regional Bureau for Africa, 1993, p. x, 336 p.: 2 fig., 13 tab.
G. Le Moigne, Xie, M., and Kuffner, U.,
Using water efficiently : technological options, vol. no. 205. Washington, DC, USA: World Bank, 1993, p. viii, 52 p.: 9 fig, 11 tab.