1990
M. Katakweba,
Bamboo as an alternative pipe material for rural water supply in Tanzania, vol. no. 43. Tampere, Finland: Tampere University of Technology, Institute of Water and Environmental Engineeri, 1990, p. 55 p., app. 11 p.: fig., tab.
A. K. Chaturvedi, Yadava, K. P., Pathak, K. C., and Singh, V. N.,
“Defluoridation of water by adsorption on fly ash”,
Water, air, and soil pollution, pp. P. 51-61: fig., tab., 1990.
E. Kelengwe,
Evaluation of oxidation ditch technology with reference to the Limuru plant in Kenya, vol. no. 46. Tampere, Finland: Tampere University of Technology, Institute of Water and Environmental Engineeri, 1990, p. 60 p.: fig., tab.
M. Chaudhuri and Datta, A. K.,
“Microbial purification in slow sand filter”,
Environmental toxicity and water quality, pp. p. 239-247: 2 fig., 1990.
G. K. Folkard, Sutherland, J. P., and Grant, W. D.,
“Natural coagulants for appropriate water treatment : a novel approach”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 30-32: fig., photogr., 1990.
G. K. Folkard, Sutherland, J. P., and Grant, W. D.,
“Natural coagulants for small scale water treatment : potential applications”,
ASEP newsletter, pp. p. 1-2, 10, 14: fig., tab., 1990.
J. G. Janssens, Verstraete, W., Liessens, J., and Vochten, P.,
“Polyurethane prefilters to improve slow sand filtration”,
Water supply : the review journal of the International Water Supply Association, pp. p. 130-142: fig., tab., 1990.
K. J. Ives and Rajapakse, J. P.,
“Pre-filtration of very highly turbid waters using pebble matrix filtration”,
Journal of Institution of Water and Environmental Management, pp. p. 140-147: fig., tab., 1990.
S. Koottatep, Tiyaporn, S., Kijjanapanich, V., and Karnjanawong, S.,
“Solar water disinfection : experiences in Thailand”, in
Solar water disinfection : proceedings of a workshop held at the Brace Research Institute, Montreal, Que., Canada, 15-17 August 1988, 1990, pp. P. 75-89: fig., tab.
A. Acra, Jurdi, M., Mu'allem, H., Karahagopian, Y., and Raffoul, Z.,
Water disinfection by solar radiation : assessment and application, vol. 66e. Ottawa, Ont, Canada: International Development Research Centre (IDRC), 1990, p. xi, 75 p.: fig., tab.
D. Wheeler, Dahi, E., and Helmer, R.,
“WHO/DANIDA course on surveillance and control of drinking water quality, Arusha, November 1990”. Centre for Developing Countries, Technical University of Denmark, Lyngby, Denmark, p. Ca. 250 p.: fig., tab., 1990.