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.
J. Pickford,
« Infrastructure, environment, water and people : proceedings of the 17th WEDC Conference, United Nations Centre for Human Settlement (Habitat), Nairobi, Kenya, 19-23 August 1991 ». Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, Loughborough, UK, p. xvi, 302 p.: fig., tab., 1991.
M. D. Smith,
« 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 ». Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, Loughborough, UK, p. xii, 225 p.: fig., tab., 1991.
M. A. Harvey,
« Institutional development in the water sector in San Luis Potosi ». Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, Loughborough, UK, p. viii, 91, 14 p.: 20 fig., 4 tab., 1991.
W. D. G. Lawn, Morris, N. G., et Newbury, D. R.,
« Integrated approach to infrastructural development », 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. 85-88: 2 fig.
J. B. M. Chimedza,
« Integrated approach to rural development », 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. 115-118: 1 map, 3 tab.
J. Hahn, Vrba, J., Aldwell, C. R., Alfoldi, L., Andersen, L. J., Kaden, S., Miller, J. C., et van Waegeningh, H. G.,
« Integrated land-use planning and groundwater protection in rural areas : a comparative study of planning and management methodologies ». UNESCO International Hydrological Programme, UNESCO-IHP, Paris, France, p. viii, 102 p.: fig., tab., 1991.
UNDTCD -New York, NY, US,
« Integrated water resources planning ». United Nations Department of Technical Co-operation for Development, New York, NY, USA, p. iii, 128 p.: fig., tab., 1991.
P. P. Macy,
« Integrating conservation and water master planning »,
Journal American Water Works Association, p. p. 44-47: 2 fig., 3 tab., 1991.