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Front matter
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Table of Contents
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Article: Die Bienenfauna (Hymenoptera, Apoidea) des Schaffhauser Randens (Nordschweizer Jura)
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1
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Article: Wasserfledermäuse, Myotis daubentoni, benutzen Flugstrassen
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37
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Article: Ornithologische Beobachtungen aus der Region Schaffhausen 1989
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69
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