Biblio

R. Rojas, Lloyd, B. J., Wheeler, D., Pardon, M., Wedgwood, K., y Bartram, J., Surveillance and improvement of Peruvian drinking water supplies. Guildford, UK: University of Surrey, Robens Institute, 1991, p. xii, 54 p.: fig., tab., photogr.

T. H. Provincial Bangkok, Cali, C. O. C. I. N. A. R. A. -, IRC International Water and Sanitation Centre, The Hague, NL, y National Environmental Engineering Research Institute -Nagpur, IN, NEERI, «Technology transfer in the SSF project : report of an International Evaluation Workshop, The Hague 2-4 September 1991». IRC, The Hague, The Netherlands, p. ii, 24 p.: 1 fig., 3 tab., 1991.

R. M. Clark, Logsdon, G. S., y Sorg, T. J., «Capability and cost of treatment technologies for small systems», Journal American Water Works Association, pp. p. 60-66: tab., 1990.

M. Chaudhuri y Datta, A. J., «Catalase activity and relative abundance of active microbial population in slow sand filter», Asian environment, pp. p. 3-8: fig., tab., 1990.

M. Chaudhuri y Sattar, S. A., «Domestic water treatment for developing countries», in Drinking water microbiology : progress and recent developments, 1990, pp. P. 168-184 : tab.

C. O. Suna- Hisca Bogota, «El agua y la salud». Chusos, Bogota, Colombia, p. 42 p.: drawing, 1990.

C. O. C. I. N. A. R. A. - Cali, «Evaluacion de sistemas de abastecimiento de agua con plantas de tratamiento administrado por comunidades : informe final». Centro Inter-Regional de Abastecimiento y Remocion de Agua, Cali, Colombia, p. 3 vol. (ca. 470 p.): fig., tab., 1990.

I. N. Bureau of Delhi, «General requirements for slow sand filters : Indian standard : part 2 design, construction, operation and maintenance». Bureau of Indian Standards, New Delhi, India, p. 5 p.: fig., 1990.

M. Chaudhuri y Datta, A. K., «Microbial purification in slow sand filter», Environmental toxicity and water quality, pp. p. 239-247: 2 fig., 1990.

M. J. D. Graham, Mbwette, T. S. A., y Steitieh, M. A. R., «Performance of fabric-protected slow sand filters treating a lowland surface water», Journal of Institution of Water and Environmental Management, pp. p. 51-61: fig., 1990.

K. Goitom, Performance of pilot scale slow sand filters using different local sands in Ethiopia, vol. no. 44. Tampere, Finland: Tampere University of Technology, Institute of Water and Environmental Engineeri, 1990, p. 54 p., app. 3 p.: fig., tab.

J. G. Janssens, Verstraete, W., Liessens, J., y 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 y 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.

M. Chaudhuri y Ghua, S., «Removal of arsenic (III) from groundwater by low-cost materials», Asian environment, pp. p. 42-50: fig., tab., 1990.

J. E. M. Smet, «Report on problems in operation and performance of new slow sand filters of REGIDESO, Bujumbura, Burundi». IRC, The Hague, The Netherlands, p. 7 p. + appendices (ca. 70 p.): drwngs., 1990.

IRC International Water and Sanitation Centre, The Hague, NL y National Environmental Engineering Research Institute -Nagpur, IN, NEERI, «Research and demonstration project on slow sand filtration (phase IV) : inventory of slow sand filters in India». National Environmental Engineering Research Institute, NEERI, Nagpur, India, p. ca. 60 p.: tab., 1990.

P. Morgan, Rural water supplies and sanitation. London, UK: Macmillan, 1990, p. 358 p.: ill.

J. T. Visscher, «Slow sand filtration : design, operation, and maintenance», Journal American Water Works Association, pp. p. 67-71: fig., photogr., tab., 1990.

IRC International Water and Sanitation Centre, The Hague, NL, «Slow sand filtration : guide for training of caretakers», vol. no. 6. IRC, The Hague, The Netherlands, p. v, 55 p.: 4 tab., 1990.

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

D. Wheeler, Dahi, E., y 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.

A. Montiel, Welte, B., y Barbier, J. M., «Amelioration de la filtration biologique a faible vitesse "filtration lente" : application au projet de renovation de l'usine d'Ivry - 1ere partie». Societe Anonyme de Gestion des Eaux de Paris, Paris, France, p. 13 p., 1989.

G. Logsdon, Tanner, S., Grimm, M., y James, R., «Design and performance of slow sand filters in the Pacific Northwest». US Environmental Protection Agency (EPA), Drinking Water Research Division, Cincinnati, OH, USA, p. 24 p.: 1 fig., 6 tab., 1989.

T. S. A. Mbwette y Wegelin, M., «Design, operation and maintenance considerations of horizontal flow roughing filters», Waterlines, an international journal of water, sanitation and waste, pp. p. 27-29: fig., photogr., tab., 1989.

G. B. Halcrow Gr London y UNICEF -New York, NY, US, «Drawings of rural water supply and sanitation : modules». UNICEF, New York, NY, USA, p. i, 63 p.: 63 technical drawings, 1989.