1990
P. H. J. Caplen,
«Micro hydro for an isolated rural water supply»,
Water resources journal, p. p. 34, 34a, 35: fig., tab., 1990.
S. C. Reed,
Natural systems for wastewater treatment, vol. FD-16. Alexandria, VA, USA: Water Pollution Control Federation, 1990, p. v, 270 p.: fig., tab.
K. Goitom,
Performance of pilot scale slow sand filters using different local sands in Ethiopia, vol. no. 44. Tampere, Finland: Tampere University of Technology, Institute of Water and Environmental Engineeri, 1990, p. 54 p., app. 3 p.: fig., tab.
I. N. U. N. I. C. E. F. Reg Delhi, Delhi, I. N. World Bank, y IN, I. Rajiv Gand,
«Proceedings of the national workshop on potential improvements in India Mark II deepwell handpump design : May 24 & 25, 1990, India International Centre, Max Mueller Marg, New Delhi». World Bank Regional Water and Sanitation Group South Asia, New Delhi, India, p. 92 p.: fig., tab., 1990.
C. E. Fuller y Kane, J. K.,
«Proposed hydrological monitoring and evaluation unit for the Ministry of Agriculture and Fisheries aquifer recharge program», vol. no. 285. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. viii, 86 p.: fig., map, tab., 1990.
P. Paramasivam, Ong, K. C. G., Tan, K. H., y Lee, S. L.,
«Rainwater storage using ferrocement tanks in developing countries»,
Journal of ferrocement, pp. p. 377-384: fig., tab., 1990.
I. N. U. N. I. C. E. F. Reg Delhi, Delhi, I. N. World Bank, y IN, I. Rajiv Gand,
«Report on field testing in Coimbatore of the standard India Mark II and open top cylinder India Mark III pumps». World Bank Regional Water and Sanitation Group South Asia, New Delhi, India, p. ca. 130 p.: fig., tab., 1990.
E. Nissen-Petersen y Lee, M.,
«Rock catchment dam with self-closing watertap», vol. no. 3. ASAL Rainwater Harvesting, Nairobi, Kenya, p. 40 p. : fig., 1990.
C. J. Schofield, White, G. B., Briceno-Leon, R., Kolstrup, N., y Webb, D. J. T.,
«The role of house design in limiting vector-borne disease», in
The poor die young : housing and health in Third World cities, 1990, pp. P. 189-212 : fig., tab.
P. Morgan,
Rural water supplies and sanitation. London, UK: Macmillan, 1990, p. 358 p.: ill.
K. Tayler,
«Sewerage for low-income communities in Pakistan»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 21-24: fig., photogr., tab., 1990.
E. Nissen-Petersen y Lee, M.,
«Shallow wells with bucketlift», vol. no. 4. ASAL Rainwater Harvesting, Nairobi, Kenya, p. 26 p.: fig., 1990.
J. T. Visscher,
«Slow sand filtration : design, operation, and maintenance»,
Journal American Water Works Association, pp. p. 67-71: fig., photogr., tab., 1990.
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.
E. Nissen-Petersen,
«Small earth dam built by animal traction», vol. no. 2. ASAL Rainwater Harvesting, Nairobi, Kenya, p. 27 p.: fig., 1990.
E. Nissen-Petersen y Lee, M.,
«Spring protections», vol. no. 6. ASAL Rainwater Harvesting, Nairobi, Kenya, p. iii, 29 p.: fig., 1990.
H. Mitwally,
«A study on the local manufacture of plastic latrine pans in Egypt». World Health Organization Eastern Mediterranean Regional Office, Alexandria, Egypt, p. 48 p.: 15 fig., 2 tab., 1990.
A. Wray,
«Technical brief no. 26 : Public standposts»,
Waterlines, an international journal of water, sanitation and waste, vol. no. 26, pp. p. 18-20: fig., 1990.
E. Nissen-Petersen y Lee, M.,
«Water tanks with guttering and hand-pump», vol. no. 1. ASAL Rainwater Harvesting, Nairobi, Kenya, p. ii, 52 p. : fig., tab., 1990.
D. Carty,
«Water-well bucket protection in Zambia»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 26-28: fig., photogr., 1990.