Biblio

B. J. Lloyd, Woudneh, M. B., y Stevenson, D., «The behaviour of 2,4-D as it filters through slow sand filters», Aqua : journal of water supply research and technology, pp. p. 144-149 : 6 fig., 3 tab., 1997.

B. J. Lloyd, Clarke, B. A., Crompton, J. L., y Major, I. P., «Cleaning of upflow gravel prefilters in multistage filtration water treatment plants», in Advances in slow sand and alternative biological filtration, 1996, pp. P. 391-401 : 10 fig., 1 tab.

B. J. Lloyd, Graham, M. J. D., Clarke, B. A., y Jones, C. J., «Effect of reduced depth, fabric-protected slow sand filters on treated water quality», in Advances in slow sand and alternative biological filtration, 1996, pp. P. 233-243 : 7 fig., 6 tab.

B. J. Lloyd, Clarke, B. A., Jones, C. J., y Evans, H. L., «Water treatment by multistage filtration utilising gravel prefilters and fabric enhanced slow sand filters», in Advances in slow sand and alternative biological filtration, 1996, pp. P. 313-326 : 12 fig., 2 tab.

B. J. Lloyd, Visscher, J. T., y G. C., G., «Overcoming water quality limitations with the multi-barrier concept : a case study from Colombia», in Slow sand filtration : an international compilation of recent scientific and operational developments, 1994, pp. P. 47-60: fig., 3 tab.

B. J. Lloyd, Visscher, J. T., y 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.

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.

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

B. J. Lloyd, Wheeler, D., y 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.

B. J. Lloyd, Wheeler, D., y Bartram, J., «The removal of viruses by filtration through sand», in Slow sand filtration : recent developments in water treatment technology, 1988, pp. P. 207-229: fig., tab.

B. J. Lloyd, Wheeler, D., y 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.

B. J. Lloyd, Wheeler, D., Pardon, M., y Symonds, C. N., «Aspects of prefiltration concerned with the application of small scale slow sand filtration in rural communities». University of Surrey, Department of Microbiology, Guildford, UK, p. 112 p.: fig., tab., photogr., 1985.

B. J. Lloyd, Wheeler, D., y Baker, T., «Appropriate water supply systems for disaster relief. II. The evaluation and development of a treatment system for surface water». University of Surrey, Department of Microbiology, Guildford, UK, p. 13 p., 1983.

B. J. Lloyd, Wheeler, D., y Baker, T., «Appropriate water supply systems for disaster relief. Vol. 2. The evaluation and development of a treatment system for surface water». University of Surrey, Department of Microbiology, Guildford, UK, p. 13 p., 1983.

B. J. Lloyd, Wheeler, D., Pardon, M., y Symonds, C. N., «Progress report (phase II) for the attention of UK Overseas Development Administration : rural water treatment package plant». Overseas Development Administration (ODA), London, UK, p. 134 p.: fig., 1983.