The Rhine Valley and the Rhine delta (Vorarlberg, Austria) - a retreat for the curlew?

Grabher M & von Gunten B
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Grabher, M., & von Gunten, B. (1994). The Rhine Valley and the Rhine delta (Vorarlberg, Austria) - a retreat for the curlew? In A. Grünig (Ed.), Mires and man. Mire conservation in a densely populated country - the Swiss experience. Excursion guide and symposium proceedings of the 5th field symposium of the international Mire conservation group (IMCG) to Switzerland 1992 (pp. 254-259). Swiss Federal Institute for Forest, Snow and Landscape Research.