1991
J. P. Chippaux et Larsson, R. W.,
« L'absenteisme scolaire lie a la dracunculose au Benin »,
Bulletin de la Societe de Pathologie Exotique, p. p. 775-782 : 2 fig., 3 tab., 1991.
R. K. Sivanappan,
Land and water resources and rural development in India : situation and prospects, vol. no. 16. Linkoping, Sweden: Linkoping University, Department of Water and Environmental Studies, 1991, p. 36 p. : 15 tab.
A. Asnake,
« Leakage control in water distribution system of Addis Ababa », vol. no. 38. Tampere University of Technology, Institute of Water and Environmental Engineeri, Tampere, Finland, p. 79 p. : 13 fig., 15 tab., 1991.
H. Beckmann et Gardien, N.,
« L'eau c'est la vie : hydraulique villageoise en zone de foret ». Herbert Beckmann, Kleinheubach/Main, Germany, p. 91 p.: photogr., tech. drwngs, 1991.
F. R. Compagnie Paris,
L'eau et les collectivites locales. Paris, France: Moniteur, 1991, p. 332 p. : fig., photogr., tab.
UNDTCD -New York, NY, US,
« Legislative and economic approaches to water demand management ». United Nations DTCD,Water Resources Branch, New York, NY, USA, p. vi, 58 p.: 1 tab., 1991.
F. R. France. Mi Paris et Toulouse, F. R. Agence de,
Les elus locaux et l'assainissement, vol. no. 1. Paris, France: France, Ministere de l'Environnement, 1991, p. 48 p.: fig., photogr., tab.
M. Bapat, Crook, N., et Clarkson, D.,
« Letters : [David Clarkson's reaction to "Behind the technical approach to slum improvement", Waterlines, vol. 8, no. 1, July 1989, and authors' reply] »,
Waterlines, an international journal of water, sanitation and waste, p. p. 31-32: photogr., 1991.
J. Barwise,
« Local authority environmental policy : a framework for action : conference proceedings report, Robens Institute, University of Surrey ». University of Surrey, Robens Institute, Guildford, UK, p. iv, 144 p.: fig., tab., 1991.
P. Rahaman,
« Low-cost sanitation programmes : Orangi », in
Infrastructure for low-income communities : proceedings of the 16th WEDC conference : Regional Centre for Urban and Environmental Studies (RCUES), Osmania University, Hyderabad, India, 27-31 August, 1990, 1991, p. P. 145-148.