Sustainable Protection of the Lesser Spotted Eagle in Germany by Purchasing Land and Managing the Reproduction Rate von Bernd-Ulrich Meyburg, Christian Unselt, Sylwester Aftyka, Ugis Bergmanis, Ingo Boerner, Kai Graszynski, Arno Hinz, Monika Kozicka Gradziuk, Torsten Langgemach, Ingrid Lehnigk, Christiane Meyburg, Ilka Simm-Schönholz, Janusz Wójciak

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