Biblio

P. R. Earl, “Diarrhea, caused by waterborne Entamoeba, Giardia, Cryptosporidium and Cyclospora”. University of Pittsburgh Press, Pittsburgh, PA, USA, p. 29 slides : photogr., 2003.

C. P. Gerba, Straub, T. M., Rose, J. B., Karpiscak, M. M., Foster, K. E., and Brittain, R. G., “Water quality study of graywater treatment systems”, Water resources journal, pp. p. 78-84: 4 fig., 5 tab., 1995.

R. Brinkman, “Desinfectie met een met jodium beladen kunsthars”. DHV, Amersfoort, The Netherlands, p. 49 p.: fig., tab., 1986.

J. F. Mazariegos and De Zeissig, J. A. A., “Water purification using small artisan filters”. Central American Research Institute for Industry (ICAITI), Guatemala, Guatemala, p. 81 p.: fig., tab., 1981.

IRC International Water and Sanitation Centre, The Hague, NL, “The purification of water on a small scale”, vol. no. 3. IRC, The Hague, The Netherlands, p. 19 p.: fig., 1973.