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Adams, J.Q.

Clark, R.M. et al., 1992. Safe drinking water from small systems : treatment options. , pp.p. 49-55: 4 fig., 6 tab., photogr.

Fecha publicación: 30/12/2004

Stevie, R.G. et al., 1979. Managing small water systems : a cost study : Vol. I, (Research reporting series. Environmental protection technology series) Cincinnati, OH, USA: US Environmental Protection Agency (EPA).

Fecha publicación: 29/12/2004

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