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Directional temporal shifts in community structure of butterflies and ground beetles in fragmented oligotrophic grasslands of Central Europe | Augenstein, Bettina; Ulrich, Werner; Habel, Jan Christian | 2012 | |
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Das Kylltal bei Gerolstein (Eifel) als Refugium wärmeliebender Stechimmen (Hymenoptera Aculeata) | Cölln, Klaus; Esser, Jürgen; Jakubzik, Andrea | 2003 |