1990
A. Gupta, Kaul, S. N., Nandy, T., y Bal, A. S.,
«Design considerations for hand pump attachable iron removal plant»,
Journal of the Indian Association for Environmental Management, pp. p. 120-133: 2 fig., 9 tab., 1990.
EPA -Cincinnati, OH, US,
«Environmental pollution control alternatives : drinking water treatment for small communities». US Environmental Protection Agency (EPA), Cincinnati, OH, USA, p. vi, 82 p. : fig., photgr., tab., tech drwngs., 1990.
P. H. J. Caplen,
«Micro hydro for an isolated rural water supply»,
Water resources journal, p. p. 34, 34a, 35: fig., tab., 1990.
G. K. Folkard, Sutherland, J. P., y Grant, W. D.,
«Natural coagulants for small scale water treatment : potential applications»,
ASEP newsletter, pp. p. 1-2, 10, 14: fig., tab., 1990.
S. Sarma,
«Post installation issues of low cost sanitation schemes in India». India, Ministry of Public Works, Directorate for Programme Development, Jakarta, Indonesia, p. 7 p., 1990.
O. Odeyemi,
«Prospects and limitations of using solar energy for water disinfection», in
Solar water disinfection : proceedings of a workshop held at the Brace Research Institute, Montreal, Que., Canada, 15-17 August 1988, 1990, pp. P. 34-43: tab.
D. E. Leland y Damewood, M.,
«Slow sand filtration in small systems in Oregon»,
Journal American Water Works Association, pp. p. 50-59: fig., photogr., tab., 1990.
P. Wirojanagud y Smith, K.,
«Small watershed management in Thailand»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 2-5: photogr., tab., 1990.
T. Woto, Yates, R., y Tlhage, J. T.,
Solar-powered desalination : a case study from Botswana, vol. 65e. Ottawa, Ont, Canada: International Development Research Centre (IDRC), 1990, p. viii, 55 p.: fig., tab., photogr.
F. A. Ryan,
«Survival by sea water». Ryan Foundation, Chennai, India, p. 56 p. : ill., 1990.
1989
K. Iles,
«Harvesting rainwater using a simple catchment surface»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 23-25: photogr., 1989.
H. Lauterjung y Schmidt, G.,
Planning of intake structures. Braunschweig, Germany: Vieweg, 1989, p. 122 p.: fig., tab.
K. Ofori-Tutu,
«Removal of iron from groundwaters», in
Water, engineering and development in Africa : proceedings of the 15th WEDC Conference, Kano, Nigeria, 3-7 April 1989, 1989, pp. P. 47-51: fig., tab.
F. Schweizer,
«Turning household waste into compost»,
Gate : technology and development, pp. p. 14-16: photogr., 1989.