1990
R. Semkow y Bessalel, M. M.,
«Assessment of solid waste management in Port-au-Prince, Haiti», vol. no. 292. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xi, 75 p.: fig., photogr., tab., 1990.
B. Faso. Mini BF,
«Burkina Faso : bilan de la DIEPA et perspectives», in
Quinzieme reunion du Conseil des Ministres, Ouagadougou, 19-23 fevrier 1990 : compte rendu des journees techniques, 1990, p. 16 p.: tab.
F. W. Pontius,
«Complying with the new drinking water quality guidelines»,
Journal American Water Works Association, pp. p. 32-52: tab., 1990.
M. R. Khan y Gijzen, H. J.,
«Environmental pollution and its management in Eastern Africa : proceedings of a symposium organized by the Faculty of Science, University of Dar es Salaam, Dar es Salaam, September 11-14th, 1989». University of Dar es Salaam, Faculty of Science, Dar es Salaam, Tanzania, p. viii, 387 p.: fig., tab., map., 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.
C. de Jong-Boon,
«Environmental problems in Sudan : a reader». Institute of Social Studies, Research and Project Office, The Hague, The Netherlands, p. 2 vol. (xxi, 819 p.): fig., map, tab., 1990.
World Bank -Washington, DC, US y Luxembourg, L. U. European I.,
The environmental program for the Mediterranean : preserving a shared heritage and managing a common resource. Washington, DC, USA: World Bank, 1990, p. ix, 93 p.: box, map, tab.
J. Hukka,
Environmental sanitation : beyond the Decade : discussion paper, vol. no. 40. Tampere, Finland: Tampere University of Technology, 1990, p. 63 p.: tab.
F. Valiron,
Gestion des eaux : principes, moyens, structures, 2nd rev. ed.ª ed. Paris, France: Presses de l'Ecole Nationale des Ponts et Chaussees, 1990, p. 350 p.: 107 fig., 72 tab.
R. Bos,
«Incorporating institutional and legal requirements»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 23-27: photogr., 1990.
T. Katko, Hukka, J., y Seppala, O.,
«Kenya water sector : discussion paper». Tampere University of Technology, Institute of Water and Environmental Engineeri, Tampere, Finland, p. 95 p.: fig., tab., 1990.
WHO -Geneva, CH, World Health Organization,
«Legal issues in water resources allocation, wastewater use and water supply management : report of a consultation of the FAO/WHO working group on legal aspects of water supply and wastewater management (Geneva, 25-27 September 1990)». World Health Organization, Community Water Supply & Sanitation Unit, Geneva, Switzerland, p. 48 p., 1990.
A. J. Lema,
«Pollution control legislation in Tanzania», in
Environmental pollution and its management in Eastern Africa : proceedings of a symposium organized by the Faculty of Science, University of Dar es Salaam, Dar es Salaam, September 11-14th, 1989, 1990, pp. P. 347-354.
N. L. I. L. A. C. O. - Arnhem, YE, Y. Ministry o, y DGIS, D. General fo,
«Proceedings of the seminar 'From depletion to a prudent use of groundwater', Rada, Republic of Yemen, 18-20 June 1990». Ilaco, Arnhem, The Netherlands, p. iii, 159, 207 p.: fig., photogr., tab., 1990.
M. Direction MR,
«Republique de Mauritanie : bilan de la DIEPA : perspectives du secteur de l'hydraulique rurale», in
Quinzieme reunion du Conseil des Ministres, Ouagadougou, 19-23 fevrier 1990 : compte rendu des journees techniques, 1990, p. 21 p.: map, tab.