Biblio

C. B. Leerink and Bodar, C. W. M., “Vervuiling van particuliere drinkwaterputten : een inventariserende studie”. Gezondheidsraad, The Hague, The Netherlands, p. 66 p.: fig., tab., 1990.

J. H. Smith and Loehr, R. C., Principles and practices of irrigating agricultural land with food processing waste effluent : a review, vol. no. 22. Bangkok, Thailand: Environmental Sanitation Information Center, ENSIC, 1987, p. 63 p.: fig., tab.

WHO. Regional Office for Europe -Copenhagen, DK, EURO, “Health effects of the removal of substances occurring naturally in drinking water : with special reference to demineralized and desalinated water : report on a working group, Brussels, 20-23 March 1978”, vol. no. 0016. World Health Organization Regional Office for Europe, Copenhagen, Denmark, p. 24 p., 1979.