1991
L. K. National W. Ratmalana, Cowater International -Ottawa, Ont., CA, Colombo, L. K. Engineerin, Moratuwa, L. K. Sarvodaya, et Water and Sanitation Program -Washington, DC, US, WSP,
« Rural water supply district development plans Matara, Ratnapura and Badulla Districts : volume 1 : summary : volume 2 : institutions, policy, implementation strategy ». Cowater International, Ottawa, Ont, Canada, p. 2 vols (vol. 1, 141 p.; vol 2, 255 p.) : fig., tab., 1991.
R. Ramasubban, Singh, B., Bhatia, R., Griffin, C. C., Kim, C., et Briscoe, J.,
« Rural water supply in Kerala, India : how to emerge from a low-level equilibrium trap ». Urban Institute, Washington, DC, USA, p. 47 p.: 3 fig., 11 tab., 1991.
K. M. A. Aziz, Hasan, K. Z., Patwary, M. Y., et Hoque, B. A.,
« Rural women in sanitation programmes », 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. 25-27.
S. K. Lwanga et Lemeshow, S.,
Sample size determination in health studies : a practical manual. Geneva, Switzerland: World Health Organization (WHO), 1991, p. viii, 80 p.: 14 tab.
P. E. C. E. P. I. S. - Lima, Lima, P. E. U. N. I. C. E. F. -, et PE, P. Ministerio,
« Saneamiento y salud ». CEPIS (Centro Panamericano de Ingenieria Sanitaria y Ciencias del Ambiente), Lima, Peru, p. 8 p.: ill., 1991.
N. R. Anguera,
« Scabies an uneasy and underestimated infectious skin disease ». London School of Hygiene and Tropical Medicine, London, UK, p. 38 p., 1991.
UNDP -New York, NY, US et UNDTCD -New York, NY, US,
« Schema directeur pour le secteur eau et assainissement ». UNDP (United Nations Development Programme), New York, NY, USA, p. 2 vol. (vi, 98 p ; ca. 120 p.): fig., tab., maps, 1991.
J. McCaffrey,
« Selection and role of long-term advisors », vol. no. 69. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. iv, 44 p., 1991.
A. G. Tipple,
« Self-help transformations : infrastructure issues », in
Infrastructure, environment, water and people : proceedings of the 17th WEDC Conference, United Nations Centre for Human Settlement (Habitat), Nairobi, Kenya, 19-23 August 1991, 1991, p. P. 45-48.
IHE -Delft, NL, International Institute for Infrastructural, Hydraulic and Environmental Engineering,
« Seminar on Bangladesh disaster : issues and perspectives, Delft, 3rd September 1991 ». IHE (International Institute for Infrastructural, Hydraulic and Environmental Engineering), Delft, The Netherlands, p. various paging, 1991.
C. O. C. I. N. A. R. A. - Cali et IRC International Water and Sanitation Centre, The Hague, NL,
« Seminario internacional sobre mejoramiento de la calidad de agua para consumo humano : Noviembre 4 al 8 de 1991, Cali, Colombia ». Centro Inter-Regional de Abastecimiento y Remocion de Agua, Cali, Colombia, p. ca. 450 p.: fig., tab., 1991.
O. B. Kaplan,
Septic systems handbook, 2nd ed.ᵉ éd. Chelsea, MI, USA: Lewis, 1991, p. xx, 434 p.: 56 fig., 28 tab.
R. Franceys et Cotton, A.,
Services for shelter : infrastructure for urban low-income housing, vol. no. 3. Liverpool, UK: Liverpool University Press, 1991, p. vii, 147 p.: fig., photogr.
J. Malombe,
« Services in site and services projects », in
Infrastructure, environment, water and people : proceedings of the 17th WEDC Conference, United Nations Centre for Human Settlement (Habitat), Nairobi, Kenya, 19-23 August 1991, 1991, p. P. 37-40.
I. T. F. A. O. - Rome,
« Sharing knowledge ». Food and Agriculture Organization (FAO), Rome, Italy, p. video (15 min.): VHS, 1991.
R. D. Faulkner et Lambert, R. A.,
« Simple pump technology for micro-scale irrigation ». Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, Loughborough, UK, p. vii, 69 p. : 21 fig., 3 plate, 8 tab., 1991.
J. Mde Azevedo Netto, Bakalian, A., Wright, A., et Otis, R.,
« Simplified sewers : a review of Brazilian experience », presented at the 1991-01-01, Alexandria, VA, USA, 1991, p. 11 p.: 3 tab.