S. Chandra, Bell, M., Klugman, J., y Brown, B.,
AIDAB and water development : sector review, vol. no. 8. Canberra, ACT, Australia: Australian Government Publishing Service, 1990, p. vi, 36 p.: box, fig., photogr., tab.
M. Birley,
«Assessing the environmental health impact : an expert system approach»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 12-16: fig., photogr., 1990.
N. Ruizhu y Xutong, S.,
«Construction and development of city and town water supply in People's Republic of China»,
Water supply : the review journal of the International Water Supply Association, pp. p. 20-28: tab., 1990.
R. Bos,
«Incorporating institutional and legal requirements»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 23-27: photogr., 1990.
WHO -Geneva, CH, World Health Organization,
«Proceedings of a seminar on water resources development and vector-borne diseases in Kenya, Kisumu, 11-13 September 1988». World Health Organization PEEM Secretariat, Geneva, Switzerland, p. 101 p.: fig., tab., 1990.
United Nations -New York, NY, US,
«Promotion of women's participation in water resources development : report of a seminar, Bamako, Mali, 14-18 November 1988», vol. no. 25. United Nations, New York, NY, USA, p. iv, 63 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.
UNDP -New York, NY, US y de l'Industrie, del'Hydrauli,
«Schema directeur de mise en valeur des ressources en eau du Mali». UNDP Department of Technical Cooperation for Development, New York, NY, USA, p. 2 vol. (281, 113 p.) : fig., tab., 1990.