1989
H. B. Lozano y Manzano, R. I.,
«[Descentralizacion y administracion municipal, Valle del Cauca, Colombia]». Colombia, Departamento Administrativo de Planeacion del Valle, Cali, Colombia, p. 38 p.: ill., 1989.
PAHO -Washington, DC, US,
Health and environmental criteria for the utilization of sewage sludge on land, vol. no. 8. Washington, DC, USA: Pan American Health Organization, Environmental Health Program, 1989, p. ii, 28 p.: fig., tab.
S. Arlosoroff,
«Issues in water management for urban centers in the developing world». World Bank, Water and Sanitation Division, Washington, DC, USA, p. 24, 3 p., 1989.
United Nations -New York, NY, US,
Legal and institutional factors affecting the implementation of the International Drinking Water Supply and Sanitation Decade, vol. no. 23. New York, NY, USA: United Nations Department of International Economic and Social Affairs, 1989, p. xii, 121 p.: fig., tab.
M. L. Kool, Verboom, D., y van der Linden, J. J.,
The mid-term impacts of squatter settlement upgrading : a longitudinal study of Baldia Township, Karachi, vol. no. 21. Amsterdam, The Netherlands: Free University Amsterdam, Institute of Cultural Anthropology, 1989, p. xi, 182 p.: graph., map, tab.
I. D. C. O. W. Iconsul Bandung, Bandung, I. D. Ciriajasa, Bandung, I. D. Resco Nusa, y ID, I. Directorat,
«Preliminary report on catchment and water resources protection». COWIconsult, Bandung, Indonesia, p. ca. 120 p., 1989.
G. Ministerio GT y UNICEF -New York, NY, US,
«Saneamiento basico rural en Guatemala». Guatemala, Ministerio de Salud Publica y Asistencia Social, Guatemala, Guatemala, p. 50 p.: tab., 1989.
WHO. Regional Office for Europe -Copenhagen, DK, EURO,
«Water and sanitation services in Europe». World Health Organization Regional Office for Europe, Copenhagen, Denmark, p. ca. 400 p.: fig., maps, tab., 1989.
Z. A. University Pietermaritzburg,
«The WATSNU literature database». University of Natal, Dep. of Economics, Pietermaritzburg, South Africa, p. 37 p., 1989.
IUCN -Gland, CH, International Union for Conservation of Nature, Gland, C. H. W. W. F. -, y Nairobi, K. E. U. N. E. P. -,
«World conservation strategy for the 1990s». World Conservation Union (IUCN), Gland, Switzerland, p. vi, 160 p.: tab., 1989.
1988
H. van Gils, Aongola, G., Broekhuis, J., Fiselier, J., Jeanes, K., Mulungushi, S. J., Robelus, R., y Verduyn, C. W.,
«Environmental profile : western province, Zambia». International Institute for Aerospace Survey and Earth Sciences (ITC), Enschede, The Netherlands, p. iii, 37 p. : fig., maps, photogr., tabs., 1988.
M. Makestas y Kayaalp, M.,
«Proceedings from a seminar on domestic wastewater treatment and disposal options for unsewered areas». Australian Water and Wastewater Association (SA Branch), State Water Laboratory, Salisbury, SA, Australia, p. 118 p.: fig., tab., 1988.
J. Buringa,
«Yemeni women in transition : how development cooperation could fit in». Netherlands, Ministry of Foreign Affairs, DGIS, The Hague, The Netherlands, p. 104 p., 1988.