1991
I. Patel,
« Human resource development for rural sanitation », in
NAP India '91 : conference on Indo-Dutch bilateral cooperation in rural water supply and sanitation, February 25-26 1991, Lucknow, 1991, p. 17 p.
M. Detay, Poyet, P., et Brisson, E.,
« Hydrolab : le systeme expert d'aide a l'implantation de forages : concepts, techniques et application au Burkina Faso ». Comite Interafricain d'Etudes Hydrauliques (CIEH), Ouagadougou, Burkina Faso, p. 120 p. : 34 fig., 5 tab., 1991.
B. Chuzeville,
Hydrologie tropicale et appliquee en Afrique subsaharienne. Paris, France: Agridoc International, 1991, p. 275 p. : fig., photogr., tab.
D. D. Mara, Pinfold, J., et Hubley, J.,
« A hygiene intervention study in rural north-east Thailand »,
Waterlines, an international journal of water, sanitation and waste, p. p. 9-12: 4 fig., ill., photogr., 1991.
A. Barmentloo,
« Hygiene-voorlichting in Nepal : een analyse ». Gezondheidskunde Lerarenopleiding Utrecht, Utrecht, The Netherlands, p. 56 p.: drwng., map., 1991.
F. Lai Khim,
« IDRC global handpump network », in
Collaborative council global forum, Oslo, September 18-20, 1991 : collected papers, 1991, p. 9 p.: tab., map.
I. N. U. N. I. C. E. F. - Ne Delhi,
« IEC for WESS : report of field test ». UNICEF India Country Office, New Delhi, India, p. 202 p. : ill., tab., 1991.
J. VanSant, Sonnemann, J., et Klees, R.,
« Impacts and lessons learned from the rural water borne disease control project Swaziland », vol. no. 328. Environmental Health Project (EHP), Arlington, VA, USA, p. x, 67 p.: 2 fig., 1 map, 4 tab., 1991.
R. T. Raab, Swanson, B. E., Wentling, T. L., et Clark, C. D.,
Improving training quality : a trainers' guide to evaluation, [Rev. ed.]. Rome, Italy: Food and Agriculture Organization (FAO), 1991, p. vii, 157 p.: fig.
C. Reij,
Indigenous soil and water conservation in Africa, vol. no. 27. London, UK: International Institute for Environment and Development (IIED), 1991, p. 35 p.: 4 fig., 2 tab.
Netherlands. Ministry of Housing, Spatial Planning and the Environment -NL, VROM,
Individuele behandeling van afvalwater bij verspreide bebouwing (IBA) : onderzoek fase 4B : IBA richtlijn, vol. no. 1991/7. The Hague, The Netherlands: Netherlands, Ministry of Housing, Spatial Planning and the Environment, 1991, p. 186 p. : fig., tab.
J. Hukka et Viitasaari, M.,
« Industrial wastewaters '89 Nairobi : proceedings of the first IAWPRC East African regional conference on industrial wastewaters, held in Nairobi, Kenya, 25-28 October 1989 ». Pergamon, Oxford, UK, p. xiv, 106 p.: fig., tab., 1991.
M. Pillay et Terry, S.,
« Informal settlements : impact on water quality », 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. 25-28: 6 fig.