Biblio

C. Gonzalez, “On-site mixed oxidants : demonstrate benefits in Puerto Rico”, Water conditioning and purification magazine & international, pp. p. 62-65 : 2 fig., photogr., 2002.

S. W. van der Merwe, “New WHO recommendations for water quality standards : impact on water treatment practices : international practices”, Water supply : the review journal of the International Water Supply Association, pp. p. 35-40 : 1 tab., 1996.

R. G. Taylor and Howard, K. W. F., “Groundwater quality in rural Uganda : hydrochemical considerations for the development of aquifers within the basement complex of Africa”, in Groundwater quality, 1995, pp. P. 31-44: 7 fig., 2 photogr., 10 tab.

M. Chaudhuri and Prasad, V. S., “Removal of bacteria and turbidity from water by chemically treated manganese and iron ores”, Aqua : journal of water supply research and technology, pp. p. 80-82: 1 fig., 1 tab., 1995.

D. A. Cornwell and Lee, R. G., “Waste stream recycling : its effect on water quality”, Journal American Water Works Association, pp. p. 50-63: 17 fig., 1 tab., photogr., 1994.

H. Fujita, Momose, M., and Pascual, T. V., “Experimental research and development study on water well construction in area where groundwater contains iron and manganese”, Water supply : the review journal of the International Water Supply Association, pp. p. 402-409: fig., 1990.

A. D. Hulsmann, “Waterkwaliteit aan het leveringspunt en aan het tappunt”, vol. nr. 92. KIWA, Nieuwegein, The Netherlands, p. 98 p.: fig., tab., 1985.