Biblio

G. B. Halcrow Gr London and 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.

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.

M. Pardon, Wegelin, M., and G. C., G., “Prefilters, handpumps and small tanks : key issues for viable rural water supplies?”, Water supply : the review journal of the International Water Supply Association, pp. p. SS18.1-SS18.8: fig., tab., 1989.

J. E. M. Smet and Visscher, J. T., “Pre-treatment methods for community water supply : an overview of techniques and present experience”. IRC, The Hague, The Netherlands, p. 174 p.: fig., tab., 1989.

C. O. Universida Cali and IRC International Water and Sanitation Centre, The Hague, NL, “Proyecto integrado de investigacion y demostracion de metodos de pretratamiento para sistemas de abastecimiento de agua : reporte de progreso, febrero de 1989”. Universidad del Valle, Facultad de Ingenieria, Cali, Colombia, p. 11 p. + 15 p. annexes: 8 photogr., 3 tab., 4 techn.drwgs, 1989.

J. T. Visscher, E. R., Q., J. M., L., A. C., G., R. Munoz, D., V., C. H. Cruz, and G. C., G., “Proyecto integrado de investigacion y demostracion en filtracion lenta en arena : informe final, version resumida”. Centro Inter-Regional de Abastecimiento y Remocion de Agua, Cali, Colombia, p. 48 p.: fig., tab., 1989.

J. T. Visscher and Wolters, H., “Slow sand filtration : a simple and reliable method to purify drinking water”, AT source, pp. p. 20-26: fig., tab., 1989.

IRC International Water and Sanitation Centre, The Hague, NL and National Environmental Engineering Research Institute -Nagpur, IN, NEERI, “Slow sand filtration : phase IV final report”. National Environmental Engineering Research Institute, NEERI, Nagpur, India, p. 118 p.: fig., tab., 1989.

W. Verstraete, Liessens, J., and Vochten, P., “The application of polyurethane to improve slow sand filters”, in Slow sand filtration : recent developments in water treatment technology, 1988, pp. P. 367-378: fig., tab.

G. Smethurst, Basic water treatment for application world-wide, 2nd ed.nd ed. London, UK: Thomas Telford, 1988, p. 216 p.: fig., tab.

B. J. Lloyd, Wheeler, D., and Pardon, M., “The performance of slow sand filters in Peru”, in Slow sand filtration : recent developments in water treatment technology, 1988, pp. P. 393-411: fig., tab.

K. J. Ives and Rajapakse, J. P., “Pretreatment with pebble matrix filtration”, in Slow sand filtration : recent developments in water treatment technology, 1988, pp. P. 141-152: fig., tab.

C. M. J. Yeh, “A quantitative investigation into the effectiveness of jute fiber as a medium for the pre-treatment of raw water supplies”, vol. no. EV-88-30. Asian Institute of Technology, Bangkok, Thailand, p. 2 microfiche (iv, 88 p.): fig., tab., 1988.

M. Wegelin, “Roughing gravel filters for suspended solids removal”, in Slow sand filtration : recent developments in water treatment technology, 1988, pp. P. 103-122: fig., tab.

M. J. D. Graham, Slow sand filtration : recent developments in water treatment technology. Chichester, UK: Ellis Horwood, 1988, p. ix, 412 p.: fig., tab.

P. G. Williams, “Study of a horizontal-flow roughing filter for pretreatment prior to slow sand filtration”, in Seminar on water supply and sanitation, KwaZulu : Elangeni Hotel, Durban, 28-30 June, 1988 : papers, 1988, p. Paper A.2 (11 p.): fig., tab.

L. Di Bernardo, “Upflow coarse-grained prefilter for slow sand filtration”, in Slow sand filtration : recent developments in water treatment technology, 1988, pp. P. 123-140: fig., tab.

“Prefiltre a flux horizontal (PFH) : un manuel de conception, de construction et d'exploitation”, vol. no. 07/87. p. 87 p. + 38 p. annexes : fig., tab., 1987.

B. D. U. N. I. C. E. F. - Dhaka and BD, D. P. H. E. Bangladesh, “A report on the pond sand filter research and development programme at Dacope”. UNICEF, Khulna, Bangladesh, p. 13 p.: fig., tab., drwng, 1987.

J. N. Kardile, Simple methods in water purification. Nasik, India: Foundation for Simplified Filters, 1987, p. 179 p.: fig., tab.

R. Wasser, “Anaerobic treatment of coffee wastewater at farm-level in Matagalpa, Nicaragua”. Twente University of Technology, Enschede, The Netherlands, p. viii, 92 p.: fig., tab., 1986.

B. J. Lloyd, Wheeler, D., and Pardon, M., “Final report on the development, evaluation and field trials of a small scale, multi-stage, modular filtration system for the treatment of rural water supplies”. DelAgua, Lima, Peru, p. 42, 107 p. : fig., tab., 1986.

R. B. Williams and Culp, G. L., Handbook of public water systems. New York, NY, USA: Van Nostrand Reinhold, 1986, p. xiv, 1113 p.: fig., tab.

M. Wegelin, “Horizontal-flow roughing filtration (HRF) : a design, construction and operation manual”, vol. no. 06/86. International Reference Centre for Waste Disposal, Duebendorf, Switzerland, p. 142 p. in various pagings: fig., tab., 1986.

A. Rachwal, Rodman, D., West, J., and Zabel, T., “Uprating and upgrading slow sand filters by pre-ozonation”, Effluent and water treatment journal, pp. p. 143-149, 1986.