Biblio

D. Schulze-Makuch, Pillai, S. D., Guan, H., Bowman, R., Couroux, E., Hielscher, F., Totten, J., Espinosa, I. Y., y Kretzschmar, T., «Surfactant-modified zeolite can protect drinking water wells from viruses and bacteria», Eos transactions, pp. p. 193, 200-201 : 3 fig., 2002.

M. J. D. Graham y Luxton, P. J., «Preliminary evaluation of natural fabrics in slow sand filtration», Aqua : journal of water supply research and technology, 1998.

A. G. Bhole, «An approach to improving the bacteriological qualities of water in rural areas», Aqua : journal of water supply research and technology, pp. p. 11-13 : 3 tab., 1997.

N. I. Bombas de Managua, «[Documents on the technology transfer of the rope pump]». Bombas de Mecate, Managua, Nicaragua, p. 5 vol., 1997.

Z. A. Mvula Trus Braamfontein, «Guidelines to community managed water and sanitation services. Module 7. Managing procurement». Mvula Trust, Braamfontein, South Africa, p. 21 p. : boxes, drwgs, 1997.

I. Konate, Mpeco, E., y Sabe, J., «The improved traditional latrine of Bossangoa, Central African Republic», Waterfront, pp. p. 5, 14-15 : 2 tab., 1996.

G. K. Folkard, Sutherland, J. P., y Al-Khalili, R., «Natural coagulants : a sustainable approach», in Sustainability of water and sanitation systems : proceedings of the 21st WEDC conference, Kampala, Uganda, 4-8 September 1995, 1996, pp. P. 63-65.

J. P. Padmasiri, Fonseka, W. S. C. A., y Liyanapatabendi, T., «Low cost fluoride removal by an upward flow household filter», Water supply : the review journal of the International Water Supply Association, pp. p. 59-64: 4 fig., 3 tab., 1995.

A. G. Bhole, «Relative evaluation of a few natural coagulants», Aqua : journal of water supply research and technology, pp. p. 284-290: 10 fig., 2 tab., 1995.

M. Chaudhuri y Prasad, V. S., «Removal of bacteria and turbidity from water by chemically treated manganese and iron ores», Aqua : journal of water supply research and technology, pp. p. 80-82: 1 fig., 1 tab., 1995.

A. Gaid, Kaoua, F., Mederres, N., y Khodsja, M., «Surface mass transfer processes using activated date pits as adsorbent», Water SA, pp. p. 273-278: 5 fig., 6 tab., 1995.

M. D'Aquino y Teves, S. A., «Lemon juice as a natural biocide for disinfecting drinking water», Bulletin of the Pan American Health Organization, pp. p. 324-330: 6 tab., 1994.

R. Middleton, «Letters to the editor : [reaction to article "Wood : a local option for handpump bearings" in Waterlines, October 1993]», Waterlines, an international journal of water, sanitation and waste, p. p. 5, 1994.

T. Viraraghavan y Tanjore, S., The use of inexpensive adsorbents to remove pollutants from wastewater, vol. no. 36. Bangkok, Thailand: Environmental Systems Information Center, 1994, p. iv, 93 p.: 4 fig., 55 tab.

K. S. Lokesh y Ramesh, B. M., «Chromium removal from industrial wastewater : hexavalent chromium removal from industrial wastewater using Pongamia Pinnata shell as an adsorbent», in Water, environment and management : proceedings of the 18th WEDC Conference, Kathmandu, Nepal, 30 August - 3 September 1992, 1993, pp. P. 59-61: 2 tab.

IRC International Water and Sanitation Centre, The Hague, NL, «Information document on conversion of dry latrines, construction of pour-flush latrines, rehabilitation of scavengers and community and public toilets in India». IRC, The Hague, The Netherlands, p. 2 vols (ca. 275 p.): tab., 1993.

G. K. Folkard, Sutherland, J. P., y Grant, W. D., «Natural coagulants at pilot scale», in Water, environment and management : proceedings of the 18th WEDC Conference, Kathmandu, Nepal, 30 August - 3 September 1992, 1993, pp. P. 51-54: 3 fig.

I. N. Centre for Allahabad, «R&D report on rural sanitation». Centre for Development of Rural Technology, Allahabad, India, p. 26 p. : techn.drwgs., 1993.

T. Evans, «The rope pump in Bolivia», Waterlines, an international journal of water, sanitation and waste, pp. p. 6-9: 2 fig., 2 tab., ill., 1993.

I. N. Centre for Allahabad, Soakage pit. Allahabad, India: Centre for Development of Rural Technology, 1993, p. 12 p. : drwngs.

N. Danhof y Gielen, M., «Wood : a local option for handpump bearings», Waterlines, an international journal of water, sanitation and waste, pp. p. 23-25: 5 fig., 1993.

J. Pickford, «Technical Brief No.31 : Latrine vent pipes », Waterlines, an international journal of water, sanitation and waste, vol. no. 31, pp. p. 15-18: ill., 1992.

G. Madhu, George, K. E., y Francis, D. J., «Use of natural polyelectrolytes in the treatment of effluents from centrifuge rubber latex concentration units», Asian environment, pp. p. 1-12: 1 fig., 8 tab., 1992.

P. P. Mowli, «Drumstick seed as a coagulant», 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. 131-134: 1 fig., 2 tab.

J. M. Ossete y Okogna, M. B., «Manuel de construction des citernes - paniers de 900 litres». Centre Regional pour l'Eau Potable et l'Assainissement a Faible Cout (CREPA), Brazzaville, Congo, p. 39 p. : ill., tab., 1991.