Convention on wetlands of international importance especially as waterfowl habitat = convetion relative aux zones humides d' imrortance internationale particulierement comme habitats des oiseaux d' eau.: proceedings of the fourth meeting of the conference of the contracting parties , Montreux, Switzerland 27 june to 4 july: proces-verbaux de la quatrieme session de la ouatrieme session de la conference des parties contractantes , Montreux, Switzerland 27 juin au 4 juillet 1990.
| Corporate Authors: | , |
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| Format: | Conference Proceeding Book |
| Language: | English French |
| Published: |
Switzerland :
ramsar convention bureau review,
1992.
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| Subjects: |
