Biblio

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2009
J. C. Vanderzwaag, Bartlett, K. H., Atwater, J. W., and Barker, D., “Evaluation of Field Listing Techniques used in Household Water Treatment Study in Posoltega, Nicaragua”, WQRJ of Canada, vol. 44, no. 22, pp. 122-131, 2009.
J. C. Vanderzwaag, Atwater, J. W., Bartlett, K. H., and Barkder, D., “Field Evaluation of Long-Term Perofmrance and Use of Biosand Filters in Posoltega, Nicaraugua”, WQRS of Canada, vol. 44, no. 2, pp. 111-121, 2009.