Biblio

R. Laport, Gavin, J., Darling, J., Game, R. C., en Stomberg, C., “Performance indicators for selected water supply and sanitation utilities in Ecuador”, vol. no. 376. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xii, 174 p.: map, 11 tab., 1992.

M. R. Collins, T. Eighmy, T., Fenstermacher, J. M., en Spanos, S. K., “Removing natural organic matter by conventional slow sand filtration”, Journal American Water Works Association, pp. p. 80-90: 12 fig., 8 tab., 1992.

S. M. M. Vieira en Garcia, A. D., “Sewage treatment by UASB-reactor : operation results and recommendations for design and utilization”, Water science and technology, pp. p. 143-157 : 2 fig., 5 tab., 1992.

R. Franceys, Barker, P., en Akosa, G., “Appraisal and evaluation : a new approach”, 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. 127-130: 2 tab.

M. R. Collins, Eighmy, T. T., en 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 en 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.

C. C. Mbigha en Nalluri, C., “Mathematical simulation of reciprocating handpump performance”, Aqua : journal of water supply research and technology, pp. p. 281-290: 10 fig., 1 tab., 1991.

H. C. Arora en Nagpal, J. L., “Performance evaluation of defluoridation plant at Fazilpur, Gurgaon (Haryana)”, Journal of Indian Water Works Association, pp. p. 255-259: 1 fig., 1 tab., 1991.

M. Borghei, “Performance of small sewage works in Tehran”, 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. 149-151: 2 tab.

P. K. Koner, Joshi, J. C., en Chopra, K. L., “A photovoltaic water pump testing facility”, RERIC international energy journal, pp. p. 81-97: 9 fig., 4 tab., 1991.

M. J. D. Graham en Mbwette, T. S. A., “Protected slow sand filtration : specification of non-woven synthetic fabric layers”, Water supply : the review journal of the International Water Supply Association, pp. p. 157-164: fig., tab., 1991.

F. A. Bell, “Review of effects of silver-impregnated carbon filters on microbial water quality”, Journal American Water Works Association, pp. p. 74-76: 4 tab., 1991.

P. Garman en Sexon, B., “Water current turbines for Sudan : using the energy in the Nile”, Waterlines, an international journal of water, sanitation and waste, pp. p. 30-32: fig., photogr., 1991.

K. V. Ellis, “Water disinfection : a review with some consideration of the requirements of the Third World”, Critical reviews in environmental control, pp. p. 341-407: fig., tab., 1991.

N. P. New Era - Kathmandu, “A comparative evaluation of the UNICEF assisted semi-urban sanitation pilot programme and the East Consult's sanitation action programme”. New Era, Kathmandu, Nepal, p. xiv, 152 p.: fig., tab., 1990.

B. Kamp, Rolot, D., Nditabiriye, D., Naveau, H., en Nyns, E. - J., “Etat et perspectives de la biomethanisation en milieu rural burundais. Pt. 2”, Echos du COTA, pp. p. 20-24: fig., 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.

I. N. D. A. N. I. D. A. - Bhubaneshwar, “India Mark II handpumps with open top cylinders in low lift application : performance report, 1986-1989”. DANIDA, Ministry of Foreign Affairs, Bhubaneshwar, India, p. 35, 64 p. : fig., tab., 1990.

Meridian Corporation -Alexandria, VA, US en Eversley, G. B. I. T. Power -, “Learning from success : photovoltaic-powered water pumping in Mali”. US Committee on Renewable Energy Commerce and Trade, Washington, DC, USA, p. viii, 59 p.: fig., map, tab., 1990.

S. N. Kaul, Pathe, P. P., en Nandy, T., “Physico-chemical treatment of domestic sewage”, Asian environment, pp. p. 30-50: fig., tab., 1990.

D. E. Leland en Damewood, M., “Slow sand filtration in small systems in Oregon”, Journal American Water Works Association, pp. p. 50-59: fig., photogr., tab., 1990.

G. Baldi, “Solar water disinfection in Peru”, in Solar water disinfection : proceedings of a workshop held at the Brace Research Institute, Montreal, Que., Canada, 15-17 August 1988, 1990, pp. P. 44-65: fig., tab.

K. Palanisami, “Tank irrigation in south India : what next?”, vol. no. 90/2e. Overseas Development Institute (ODI), London, UK, p. 15 p.: tab., 1990.

National Environmental Engineering Research Institute -Nagpur, IN, NEERI, Evaluation of water treatment plants in India : final report. Nagpur, India: National Environmental Engineering Research Institute, NEERI, 1989, p. iv, 459 p.: fig., photogr., tab.

B. J. Lloyd, Pardon, M., en Bartram, J., “Improving piped water supplies in Peru”, Waterlines, an international journal of water, sanitation and waste, pp. p. 24-26: tab., ill., 1989.