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Filters: Author is Keen, J.  [Clear All Filters]
2001
J. Keen, “First international rope pump policy workshop, Managua, 2001 : proceedings”. SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. 69 p., 2001.
1994
E. Baumann and Keen, J., “Afridev deep well handpump specification”. SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. 64 p.: fig., 1994.
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