Biblio

B. J. Lloyd, Graham, M. J. D., Clarke, B. A., and Jones, C. J., “Effect of reduced depth, fabric-protected slow sand filters on treated water quality”, in Advances in slow sand and alternative biological filtration, 1996, pp. P. 233-243 : 7 fig., 6 tab.

D. Wheeler and Carroll, R. F., “The minimisation of microbiological hazards associated with latrine wastes”, Water science and technology, pp. p. 35-42: tab., 1989.

P. V. Scarpino, Brigano, F. A. O., Cronier, S., and Zink, M. L., “Effect of particulates on disinfection of enteroviruses in water by chlorine dioxide”, vol. EPA-600/2-79-054. US Environmental Protection Agency (EPA), Municipal Environmental Research Laboratory, Cincinnati, OH, USA, p. xiii + 56 p., : 22 figs., 9 tabs., 47 refs., 1979.

WHO -Geneva, CH, World Health Organization, Human viruses in water, wastewater and soil; report of a WHO Scientific Group, vol. no. 638. Geneva, Switzerland: World Health Organization (WHO), 1979, p. 50 p.

H. I. Shuval, “Public health aspects of water-borne enteric viruses : final report”. Hebrew University of Jerusalem, Jerusalem, Israel, p. 119 p. : fig., tab., 1971.