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Filters: Keyword is hand pumps and Author is Wegelin-Schuringa, M.H.A.  [Clear All Filters]
Tomesen, L.B.M., Wegelin-Schuringa, M.H.A., y Mwangunga, S.S., «Draft formulation report manual pit emptying project (MAPEP)». Netherlands, Ministry of Foreign Affairs, DGIS, The Hague, The Netherlands, p. viii, 99 p. : 3 tab., 1996.