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1von: Beyer, W. Nelson2011, Taylor & Francis
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2von: Beyer, W. Nelson2011, Taylor & Francis
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3von: Beyer, W[2022], Reprint 2021, De Gruyter
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4von: Becker, A[2020], Reprint 2020, De Gruyter
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5von: Aboyan, A. O[2021], Reprint 2021, De Gruyter