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Symonds, C.N.

Lloyd, B.J. et al., 1985. Aspects of prefiltration concerned with the application of small scale slow sand filtration in rural communities, Guildford, UK: University of Surrey, Department of Microbiology. Available at: https://es.ircwash.org/sites/default/files/255.4-85AS-8067.pdf.

Fecha publicación: 31/12/2004

Lloyd, B.J. et al., 1983. Progress report (phase II) for the attention of UK Overseas Development Administration : rural water treatment package plant, London, UK: Overseas Development Administration (ODA). Available at: https://es.ircwash.org/sites/default/files/255.1-83PR-1588.pdf.

Fecha publicación: 29/12/2004

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