Biblio

R. A. Dillingham, Lima, A. A., and Guerrant, R. L., “Cryptosporidiosis : epidemiology and impact”, vol. 4, no. 10, pp. 1059-1066, 2002.

E. Gallegos, Warren, A., Robles, E., Campoy, E., Calderon, A., Sainz, M. G., Bonilla, P., and Escolero, O., “The effects of wastewater irrigation on groundwater quality in Mexico”, Water science and technology, pp. p. 45-52 : 4 tab., 1999.

M. B. Van Ryneveld and Fourie, A. B., “The fate in the subsurface of contaminants associated with on-site sanitation : a review”, Water SA, pp. p. 101-111: 4 tab., 1995.

D. C. Moran, Moran, M. C., Cushing, R. S., and Lawler, D. F., “Particle behavior in deep-bed filtration. Part 2 : Particle detachment”, Journal American Water Works Association, pp. p. 82-93: 8 fig., 2 tab., 1993.

D. Fogel, Isaac-Renton, J., Guasparini, R., Moorehead, W., and Ongerth, J., “Removing Giardia and Cryptosporidium by slow sand filtration”, Journal American Water Works Association, pp. p. 77-84: 7 tab., photogr., 1993.

M. Strauss and Cross, P., “Health aspects of nightsoil and sludge use in agriculture and aquaculture. Part I : Existing practices and beliefs in the utilization of human excreta ; Part II : Pathogen survival”, vol. no. 04/85. International Reference Centre for Waste Disposal, Duebendorf, Switzerland, p. ca. 150 p.: fig., tab., 1986.

P. R. Mason, Patterson, B. A., and Loewenson, R., “Piped water supply and intestinal parasitism in Zimbabwean schoolchildren.”, Transactions of the Royal Society of Tropical Medicine and Hygiene, pp. p. 88-93: fig., tab., 1986.

James M. Montgomery Consulting Engineers -Pasadena, CA, US, Water treatment principles and design. New York, NY, USA: Wiley, 1985, p. xii, 696 p.: fig., tab.

H. Garelick, Mara, D. D., Feachem, R. G., and Bradley, D. J., Sanitation and disease : health aspects of excreta and wastewater management, vol. no. 3. Chichester, UK: Wiley, 1983, p. xxvii, 501 p.

R. G. Feachem, Bradley, D. J., Garelick, H., and Mara, D. D., “Appropriate technology for water supply and sanitation : health aspects of excreta and sullage management : a state-of-the-art review”, vol. no. 3. World Bank, Washington, DC, USA, p. ix, 318 p. : fig., tab., 1980.

L. Sanchez and Galvis, G., “Comportamiento de la población de algas y protozoos después de la limpieza en un filtro lento en arena”. Rio de Janeiro, Brazil, p. 16 p.