Biblio

B. J. Lloyd, Pardon, M., and Wheeler, D. C., “The relationship between water-related disease and water quality with particular reference to urban water supply in a developing country”, Water science and technology, pp. p. 579-591: fig., tab., map, 1989.

D. Brouwer, “A survey on water use and hygiene in a rural area on Mount Elgon, West-Kenya”, vol. no. 1988-318. Agricultural University Wageningen, Wageningen, The Netherlands, p. 101 p.: fig., tab., 1988.

D. E. G. T. Z. - Eschborn, “Save your children”. Deutsche Gesellschaft fur Technische Zusammenarbeit (GTZ), Eschborn, Germany, p. video (14 min.): VHS, Pal, 1986.

G. B. Ross Insti London, The inflammatory diseases of the bowel, vol. no. 9. London, UK: Ross Institute of Tropical Hygiene, 1982, p. 23 p. : 5 fig.