Biblio

C. C. Dorea, Clarke, B. A., and Bertrand, S., “Performance of a multi-stage filtration plant after its handover ”, Water policy : official journal of the World Water Council, pp. p. 559-570 : 8 fig. , 2004.

C. A. van Wijk-Sijbesma and Smet, J. E. M., Small community water supplies : technology, people and partnership, vol. no. 40. Delft, The Netherlands: IRC, 2002, p. 585 p.: fig., tab.

G. G. C., “Development and evaluation of multistage filtration plants : an innovative, robust and efficient water treatment technology”. Centre for Environmental Health Engineering (CEHE), Guildford, UK, p. CD-ROM : 146 MB, 1999.

G. G. C., J. M., L., and Visscher, J. T., Filtracion en multiples etapas : tecnologia innovativa para el tratamiento de agua, vol. no. 34-S. Cali, Colombia: CINARA, 1999, p. 197 p. : 68 fig., 60 tab.

C. O. C. I. N. A. R. A. - Cali and IRC International Water and Sanitation Centre, The Hague, NL, “Operación y mantenimiento de plantas de tratamiento de agua por filtracion en multiples etapas”. CINARA, Cali, Colombia, p. video (20 min.): VHS, NTSC, 1999.

C. O. C. I. N. A. R. A. - Cali and IRC International Water and Sanitation Centre, The Hague, NL, Planeacion y diseño de sistemas de tratamiento de agua por filtracion en multiples etapas, FiME. Cali, Colombia: CINARA, 1999, p. video (20 min.): VHS, NTSC.

C. O. C. I. N. A. R. A. - Cali and IRC International Water and Sanitation Centre, The Hague, NL, Proyecto de aprendizaje en equipo, PAE's. Cali, Colombia: CINARA, 1999, p. video (20 min.): VHS, NTSC.

J. T. Visscher, J. M., L., and G. C., G., Multi-stage filtration : an innovative water treatment technology, vol. no. 34-E. The Hague, The Netherlands: IRC, 1998, p. xiii, 165 p. : 68 fig., 60 tab.

J. T. Visscher, Technology transfer in the water supply and sanitation sector : a learning experience from Colombia, vol. no. 32-E. The Hague, The Netherlands: IRC, 1997, p. ix, 90 p. : 4 boxes, fig., photogr., 8 tab.

B. J. Lloyd, Clarke, B. A., Crompton, J. L., and 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.

G. B. Li, Du, K. Y., and Ma, J., “Multi-stage slow sand filtration for the treatment of high turbid water”, in Advances in slow sand and alternative biological filtration, 1996, pp. P. 371-378 : 5 fig., 1 tab.

B. J. Lloyd, Clarke, B. A., Jones, C. J., and 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., 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.

“Multi-stage filtration : a practical, low-cost technology”, Providing safe drinking water in small systems : technology, operations, and economics : proceedings of the 1st international symposium on safe drinking water in small systems : technology, operations, economics, Washington, DC, May 10-13, 1998. pp. P. 213-224 : 2 fig., 5 tab.