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European Union action plans for eight priority bird species 2001 Schäffer, Norbert | Gallo-Orsi, Umberto |
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Threatened birds of the world 2004 : species factsheets for globally threatened birds 2004 Butchard, Stuart H. M. | Stattersfield, A. J. |
Crvena knjiga ugrozenih ptica Hrvatske 2003 Radovic, Dragan | Kralj, Jelena | Tutis, Vesna | Cikovic, Davor |