Protected areas
Management plan für das WWF-Reservat Marchauen-Marchegg
1977
Mayer, Hannes |
Gotz, E. |
Götz, E. |
Günzl, L. |
Kasy, F. |
La grande Barrière de corail
1969
Gorsky, Bernard |
The Great Barrier Reef
1973
Bennett, Isobel |
Australia's biosphere reserves : conserving ecological diversity
1983
Davis, B. W. |
Drake, G. A. |
Kakadu : a world heritage of unsurpassed beauty
1986
Ovington, Derrick |
Australia's World Heritage sites
1985
Serventy, Vincent |
La Côte d'Opale : des dunes flamandes à la baie de Somme
1993
Arnaud, Dominique |
National & Naturparkführer, Mecklenburg-Vorpommern
1992
Jeschke, D. |
Kögler, Heidrun |