Registros encontrados: 3 Total Páginas: 1
| 1 | Global freshwater quality : a first assessment / edited by Michael Meybeck, Deborah V. Chapman, Richard Helmer. — Oxford : Basil Backwell, 1989. — 306 p. : gráf. ; 28 cm. — ( Global environment monitoring system) |  | ||
| 2 | Urbain air pollution 1973-1980 / prepared in cooperation with the Monitoring and Assessment Research Centre, Chelsea College, University of London. — Geneva : World Health Organization, 1984. — 96 p. : gráf., tab. ; 24 cm. — ( Global environment monitoring system) |  | ||
| 3 | Urbain air pollution in megacities of the world / published on behalf of the World Health Organization and the United Nations Environment Programme. — reimp. — Oxford : Blackwell, 1993. — 230 p. : gráf. ; 30 cm. — ( Global environment monitoring system) |
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