1999
G. D. Agrawal,
«Diffuse agricultural water pollution in India»,
Water science and technology, pp. p. 33-47 : 13 tab., 1999.
V. Novotny,
«Diffuse pollution from agriculture : a worldwide outlook»,
Water science and technology, pp. p. 1-13 : 4 fig., 3 tab., 1999.
J. Pretty, Stephens, C., McGranahan, G., Lewin, S., Hunt, C., Kjellen, M., Fransen, T., y Virgin, I.,
Environmental change and human health in countries of Africa, the Caribbean and the Pacific. Stockholm, Sweden: Stockholm Environment Institute (SEI), 1999, p. xi, 241 p. : 31 boxes, 31 fig., 35 tab.
J. F. Gonsalves,
Environmental health : a sourcebook of materials. Silang, Philippines: International Institute of Rural Reconstruction, 1999, p. ca. 80 p. (loose leafs) : boxes, photogr., tab.
M. H. Birley y Lock, K.,
The health impacts of peri-urban natural resource development. Liverpool, UK: Liverpool School of Tropical Medicine, International Centre for Health Impact Assessment, 1999, p. 185 p. : boxes, fig., tab.
N. Ghezae,
«Irrigation water pricing in large scale schemes in Sudan». Global Water Partnership (GWP), Stockholm, Sweden, p. 14 p. : tabs., 1999.
M. Tanner, Maystre, L. Y., Ouedraogo, B., Cisse, G., Odermatt, P., y Wyss, K.,
«Representation de l'eau, des pratiques d'hygiene et des maladies chez les maraichers de Ouagadougou, Burkina Faso»,
Info CREPA, pp. p. 9-18 : 7 photogr., 1999.
H. Jonsson,
«Urine separation : Swedish experiences»,
EcoEng Newsletter, p. 5 p. : 2 fig., 1 tab., 1999.
C. H. Swiss Coal Bern,
«Water». Swiss Coalition of Development Organisations, Bern, Switzerland, p. 39 p. : photogr., 1999.
D. Midmore y Deng-lin, W.,
«Work that water! : hydroponics made easy»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 28-30 : 2 photogr., 3 tab., 1999.
1998
J. Ramirez, Fajardo, D., Casas, F., y Torres, R.,
Agro y medio ambiente. Bogota, Colombia: CEREC, 1998, p. 150 p.
D. General fo DGIS,
Egypt : evaluation of the Netherlands Development Programme with Egypt, 1975 - 1996. 2. Main report. The Hague, The Netherlands: Netherlands, Ministry of Foreign Affairs, NEDA, 1998, p. xiii, 252 p. : 11 fig., 4 maps, 21 tab.