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author: Kristin Krewenka, Thomas Tscheulin, Catrin Westphal, Riccardo Bommarco, Josef Settele, Ingolf Steffan-Dewenter, Hajnalka Szentgyörgyi, Michał Woyciechowski, Simon G. Potts, Bernard E Vaissière, Stuart Paul Masson Roberts, Gabriel Carré
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