Digest of environmental protection and water statistics
1994
Environmental protection
Naturschutz in der Schweiz
1946
Vischer, Wilhelm |
Environmental guidelines to practical forest management
1998
Korhonen, Kirsi-Marja |
Laamanen, Risto |
Savonmäki, Sirkka |
Dying Lake Victoria : a community-based prevention programme
1996
Akatch, Samuel O. |
Making environmental policy
1995
Fiorino, Daniel J. |
Protection of man's natural environment
1973
Szafer, Wladyslaw |
Michajlow, Wlodzimierz |
La protection de l'environnement : le rôle de la communauté internationale en cas de conflits armés. Mémoire
1993
Mooser, Michel |
Beyond silent spring : integrated pest management and chemical safety
1996
Emden, Helmut van |
Peakall, David B. |