L'état de l'environnement dans le monde
1993
Beaud, Michel |
Beaud, Calliope |
Larbi Bouguerra, Mohamad |
State of the environment reports
Vital signs 1993-1994
1993
Brown, Lester R. (Lester Russell) |
Kane, Hal |
Ayres, Ed |
The world environment 1972 - 1992 : two decades of challenge
1992
Tolba, Mostafa Kamal |
El-Kholy, Osama A. |
Holdgate, Martin W. |
Nations of the earth report : United Nations Conference on Environment and Development : national reports summaries
Hyttinen, Lars |
India's environment : crises and responses
1985
Bandyopadhyay, Jayanta |
Environmental problems in Sudan : a reader
1990
Jong-Boon, Caroline de |