1997
N. L. Calorama - Elburg,
«Hand drilled wells», vol. no. 3. Calorama Rural Development Service, Elburg, The Netherlands, p. 65 p. : fig., photogr., tab., tech. drwngs., 1997.
J. De Zuane,
Handbook of drinking water quality, 2nd ed.ª ed. New York, NY, USA: Van Nostrand Reinhold, 1997, p. xi, 575 p. : fig., tab.
R. de S.Ariyabandu y Dharmalingam, S.,
«Harvesting rainwater : a means of water security to rural Sri Lanka». Hector Kobbekaduwa Agrarian Research and Training Institute, Colombo, Sri Lanka, p. 15 p. : 1 map, 7 photogr., 1997.
K. Glanz, Lewis, F. M., y Rimer, B. K.,
Health behaviour and health education : theory, research and practice, 2nd ed.ª ed. San Francisco, CA, USA: Jossey-Bass Publishers, 1997, p. xxx, 496 p. : fig., 33 tab.
H. Hawes,
Health promotion in our schools. London, UK: Child-to-Child Trust, 1997, p. 185 p. : boxes, ill.
G. Howard,
«Healthier values : realistic approaches to improving drinking-water quality»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 2-5 : 1 box, 1 fig., 3 photogr., 1997.
C. Brelet-Rueff,
«Helping children in the humid tropics : water education», vol. no. 11. UNESCO International Hydrological Programme, UNESCO-IHP, Paris, France, p. 64 p. : ill., photogr., 1997.
N. Ministry o NL,
«Het Midden-Oosten». Netherlands, Ministry of Foreign Affairs, The Hague, The Netherlands, p. 46 p., 1997.
C. H. W. S. S. C. C. Work Geneva,
«The Honduras approach in maximizing resources using clc». WSSCC Working Group on Country Level Collaboration, Geneva, Switzerland, p. 11 p., 1997.
U. Directorat UG,
«How to make your handpump last longer». Uganda, Ministry of Natural Resources, Directorate of Water Development, Kampala, Uganda, p. 8 p. : ill., 1997.
E. Bwengye-Kahororo,
«How to strengthen community operation and maintenance of human excreta disposal facilities in Busia Town, Tororo District, Uganda». Royal Tropical Institute, Amsterdam, The Netherlands, p. ix, 54 p. : 6 boxes, 3 drwngs., 4 fig., 4 maps, 3 tab., 1997.
R. K. Price,
Hydroinformatics, society and the market. Delft, The Netherlands: IHE (International Institute for Infrastructural, Hydraulic and Environmental Engineering), 1997, p. 20 p.
U. J. Blumenthal, Manderson, L., y Almedom, A. M.,
Hygiene evaluation procedures : approaches and methods for assessing water- and sanitation-related hygiene practices. Boston, MA, USA: International Nutrition Foundation for Developing Countries, 1997, p. iv, 122 p. : 25 boxes, 6 fig., 3 pl., 4 tab.
E. Bolt, Slooff, R., y van Hooff, I.,
«ICHD 1996/97 syllabus environmental health, water and sanitation : 33rd International Course in Health Development, September 4, 1996 - June 20, 1997 : health care training». Royal Tropical Institute, Amsterdam, The Netherlands, p. 27 p., 1997.
C. H. United Nat Geneva,
«Implementing Agenda 21 : NGO experiences from around the world». United Nations Non-Governmental Liaison Service, Geneva, Switzerland, p. x, 176 p., 1997.
Z. A. C. S. I. R. - Pretoria y ZA, S. Africa. De,
Implementing prepayment water metering systems. Pretoria, South Africa: South Africa, Department of Water Affairs and Forestry, 1997, p. x, 59 p. : 8 fig., 6 tab.