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1998
Graham, M.J.D. and Luxton, P.J., Preliminary evaluation of natural fabrics in slow sand filtration, Aqua : journal of water supply research and technology, 1998.
1997
Bhole, A.G., 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.
Bombas de Mecate -Managua, NI, [Documents on the technology transfer of the rope pump]. Bombas de Mecate, Managua, Nicaragua, p. 5 vol., 1997.
Mvula Trust -Braamfontein, ZA, Guidelines to community managed water and sanitation services. Module 7. Managing procurement. Mvula Trust, Braamfontein, South Africa, p. 21 p. : boxes, drwgs, 1997.
1996
Konate, I., Mpeco, E., and Sabe, J., The improved traditional latrine of Bossangoa, Central African Republic, Waterfront, pp. p. 5, 14-15 : 2 tab., 1996.
Folkard, G.K., Sutherland, J.P., and 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.
1995
Padmasiri, J.P., Fonseka, W.S.C.A., and 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.
Bhole, A.G., Relative evaluation of a few natural coagulants, Aqua : journal of water supply research and technology, pp. p. 284-290: 10 fig., 2 tab., 1995.
Chaudhuri, M. and 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.
Gaid, A., Kaoua, F., Mederres, N., and Khodsja, M., Surface mass transfer processes using activated date pits as adsorbent, Water SA, pp. p. 273-278: 5 fig., 6 tab., 1995.
1994
D'Aquino, Miguel and 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.
Middleton, R., 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.
Viraraghavan, T. and 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.
1993
Lokesh, K.S. and 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.
Folkard, G.K., Sutherland, J.P., and 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.
Centre for Development of Rural Technology -Allahabad, IN, R&D report on rural sanitation. Centre for Development of Rural Technology, Allahabad, India, p. 26 p. : techn.drwgs., 1993.
Evans, T., The rope pump in Bolivia, Waterlines, an international journal of water, sanitation and waste, pp. p. 6-9: 2 fig., 2 tab., ill., 1993.
Centre for Development of Rural Technology -Allahabad, IN, Soakage pit. Allahabad, India: Centre for Development of Rural Technology, 1993, p. 12 p. : drwngs.
Danhof, N. and 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.
1992
Pickford, J., 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.
Madhu, G., George, K.E., and 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.
1991
Mowli, P.P., 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.
Ossete, J.M. and 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.

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