Biblio

Q. E. R., “A successful water rehabilitation project arising from diagnostic surveillance”. University of Surrey, Department of Civil Engineering, Guildford, UK, p. viii, 75 p.: 18 fig., 7 tab., 1994.

G. G. C., “Tecnologia innovativa para reduccion de contaminantes biologicos y precursores de trihalometanos”, Gaceta ambiental, pp. p. 5-13: 8 fig., 3 tab., 1994.

G. G. C., “Innovative technology for reduction in biological contaminants and trihalomethane precursors”, in Safety of water disinfection : balancing chemical and microbial risks, 1993, pp. P. 415-428: 10 fig., 3 tab.

G. K. Folkard, Sutherland, J. P., and Grant, W. D., “Natural coagulants at pilot scale”, in Water, environment and management : proceedings of the 18th WEDC Conference, Kathmandu, Nepal, 30 August - 3 September 1992, 1993, pp. P. 51-54: 3 fig.

J. C. Goldgrabe, Summers, R. S., and Miltner, R. J., “Particle removal and head loss development in biological filters”, Journal American Water Works Association, pp. p. 94-106: 19 fig., 4 tab., 1993.

M. Chaudhuri and Singh, V. P., “A performance evaluation and modification of the UNICEF upward-flow water filter”, Waterlines, an international journal of water, sanitation and waste, pp. p. 29-31: 4 fig., 1993.

L. Rietveld and Matsinhe, N., Pilot plant studies on slow-sand-filtration and up-flow-roughing-filtration in Mozambique, vol. no. 44. Delft, The Netherlands: Delft University of Technology, Department of Civil Engineering, 1993, p. v, 46 p. : fig., tab.

D. Fogel, Isaac-Renton, J., Guasparini, R., Moorehead, W., and Ongerth, J., “Removing Giardia and Cryptosporidium by slow sand filtration”, Journal American Water Works Association, pp. p. 77-84: 7 tab., photogr., 1993.

K. V. Ellis and Aydin, M. E., “A study of three slow sand filters at various flow rates with constant temperature”, Aqua : journal of water supply research and technology, pp. p. 88-96: 5 fig., 4 tab., 1993.

G. S. Logsdon, Neden, D. G., Ferguson, A. M. D., and LaBonde, S. D., “Testing direct filtration for the treatment of high-turbidity water”, Journal American Water Works Association, pp. p. 39-46: 7 fig., 6 tab., photogr., 1993.

M. Wegelin and Dorcoo, K., “Water treatment in northern Ghana”, in Water, sanitation, environment and development : proceedings of the 19th WEDC conference, Accra, Ghana, 6-10 September 1993, 1993, pp. P. 111-114 : 2 fig., 1 tab.

B. J. Lloyd, Visscher, J. T., and G. C., G., “Multi-stage surface water treatment for community water supply in Colombia”, Waterlines, an international journal of water, sanitation and waste, pp. p. 26-29 : 3 fig., 3 tab., photogr., 1992.

G. Madhu, George, K. E., and Francis, D. J., “Use of natural polyelectrolytes in the treatment of effluents from centrifuge rubber latex concentration units”, Asian environment, pp. p. 1-12: 1 fig., 8 tab., 1992.

IWSA -London, GB, International Water Association and Lumpur, M. Y. Malaysian, “Water Malaysia '92 : 8th ASPAC - IWSA Regional Water Supply Conference and Exhibition, Kuala Lumpur, Malaysia, 26-30 October 1992”. IWSA Asia Pacific Group (ASPAC), Kuala Lumpur, Malaysia, p. 6 vol., 1992.

S. Mesfin, “Constructing and operating treatment plants”, in Infrastructure, environment, water and people : proceedings of the 17th WEDC Conference, United Nations Centre for Human Settlement (Habitat), Nairobi, Kenya, 19-23 August 1991, 1991, pp. P. 139-142: 3 fig., 1 tab.

M. Wegelin, Schertenleib, R., and Boller, M., “The decade of roughing filters : development of a rural water-treatment process for developing countries”, Aqua : journal of water supply research and technology, pp. p. 304-316: 17 fig., 2 tab., 1991.

C. Chibi, “Design and performance of a community-level iron removal plant”, Waterlines, an international journal of water, sanitation and waste, pp. p. 9-10: 2 fig., 2 tab., photogr., 1991.

G. J. Alaerts, Buiteman, J. P., and Ahsan, T., “Direct horizontal-flow roughing filtration : an improved pretreatment process for highly turbid water”. p. 14 p. : tab., fig., 1991.

P. P. Mowli, “Drumstick seed as a coagulant”, in Infrastructure for low-income communities : proceedings of the 16th WEDC conference : Regional Centre for Urban and Environmental Studies (RCUES), Osmania University, Hyderabad, India, 27-31 August, 1990, 1991, pp. P. 131-134: 1 fig., 2 tab.

M. R. Collins, Eighmy, T. T., and Malley, J. P., “Evaluating modifications to slow sand filters”, Journal American Water Works Association, pp. p. 62-70: 7 fig., 5 tab., photogr., 1991.

M. J. D. Graham and Clarke, B. A., “Evaluation of fabric enhanced reduced depth slow sand filters : research scheme R4648 : [progress report]”. University of Surrey, Department of Civil Engineering, Guildford, UK, p. 25 p.: 17 fig., ill., 1991.

G. J. Alaerts, Buiteman, J. P., and Rahman, S. S. A., “Use of Indonesian flocculating soil in water treatment”, Water supply : the review journal of the International Water Supply Association, pp. p. S95-S101: 6 fig., 5 tab., 1991.

M. Chaudhuri and Osman, S., “Bacteria and turbidity removal from water by bituminous coal pretreated with alum and silver”. pp. p. 193 - 197 : fig., 1990.

S. Vigneswaran and Joshi, D., “Laboratory development of a small-scale iron removal plant for rural water supply”, Aqua : journal of water supply research and technology, pp. p. 300-308: fig., tab., 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.