Biblio

D. D. Mara, da Costa, S. M. Vaz, and Bastos, R. K. X., Bacteriological aspects of wastewater irrigation, vol. no. 8. Leeds, UK: University of Leeds, Department of Civil Engineering, 1996, p. xiii, 118 p. : fig., tab.

D. D. Mara, Taylor, H. D., and Gambrill, M. P., Lime treatment of municipal wastewater, vol. no. 3. Leeds, UK: University of Leeds, Department of Civil Engineering, 1994, p. viii, 45 p. : fig., tab.

J. V. Pinfold, “Faecal contamination of water and fingertip-rinses as method for evaluating the effect of low-cost water supply and sanitation activities on faeco-oral disease transmission. I. A case study in rural north-east Thailand”, Epidemiology and infection, pp. p. 363-375 : fig., tab., 1990.

R. C. Wright, “The seasonality of bacterial quality of water in a tropical developing country (Sierra Leone)”, Journal of hygiene, pp. p. 75-82, 1986.

M. C. Snead, Olivieri, V. P., Krusé, C. W., and Kawata, K., “Benefits of maintaining a chlorine residual in water supply systems”, vol. EPA-600/2-80-010. US Environmental Protection Agency (EPA), Municipal Environmental Research Laboratory, Cincinnati, OH, USA, p. xiii + 175 p. : 44 figs., 18 tabs. , 1980.

T. D. Waite, “Management of wastewater residuals with iron (VI) ferrate : final report ((2 microfiches))”. National Science Foundation, Washington, DC, USA, p. X, 175 p.: fig., tab., 1979.