Παρόμοια τεκμήρια: Conservation of wetlands in the Netherlands
- A Directory of wetlands of international importance
- Convention on wetlands of international importance especially as waterfowl habitat, Montreux, Switzerland 27 June to July 1990.
- Proceedings of the fourth Meeting of the Conference of the Contracting Parties
- Proceedings of the fourth Meeting of the Conference of the Contracting Parties
- Proceedings of the fourth Meeting of the Conference of the Contracting Parties
- La tourbiere des Tenasses sur Vevey
Θέμα: Οικολογία
- Development of a strategy for cooperation on optimal documentation and supply of literature on ecological agriculture
- Fire in Mediterranean Ecosystems
- La Vegetation aquatique emergente
- Φύση, Κοινωνία, Επιστήμη στην εποχή των "Τρελών αγελάδων"
- First Balkan Botanical Congress
- Πρόγραμμα ανάπτυξης 1983-1987
Θέμα: Υγρότοποι
Συγγραφέας: Meeting of the Conference of the Contracting Parties to the Convention on Wetlands (Ramsar) (4th : 1990 : Montreux, Switzerland)
- Convention on wetlands of international importance especially as waterfowl habitat, Montreux, Switzerland 27 June to July 1990.
- Proceedings of the fourth Meeting of the Conference of the Contracting Parties
- Proceedings of the fourth Meeting of the Conference of the Contracting Parties
- Proceedings of the fourth Meeting of the Conference of the Contracting Parties
- A Directory of wetlands of international importance
- Conservation of wetlands in the Netherlands