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Pipes, W.O.

Minnigh, H.A. et al., 1993. Bacterial removal over time in experimental up-flow and down-flow slow sand filters in a tropical climate, Available at: https://www.ircwash.org/sites/default/files/Minnigh-1993-Bacterial.pdf.

Published on: 30/12/2004

Christian, R.R. & Pipes, W.O., 1982. Sampling frequency : microbiological drinking water regulations : final report, Washington, DC, USA: US Environmental Protection Agency (EPA). Available at: https://www.ircwash.org/sites/default/files/242-82SA-4710.pdf.

Published on: 29/12/2004

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