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Biblio

Found 3 results
Filters: Keyword is efficiency and Author is Langenegger, O.  [Clear All Filters]
1987
A. Karp, Journey, W., Roche, R., Langenegger, O., Arlosoroff, S., Tschannerl, G., y Grey, D., Community water supply : the handpump option. Washington, DC, USA: World Bank, 1987, p. x, 202 p.: ill., tab.
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