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1
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2Classmark: 3.2 HE 4:2Book
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3Classmark: 3.2 HE 4:1Book
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4
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5by Korn, Hans EnnoOther Authors: “…Ritt, Heinz…”
Published 1984
Classmark: 2.3 HE 2Conference Proceeding Book -
6
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7by Krieger, DieterOther Authors: “…Ritt, Heinz ; Högel, Lothar ; Diener, Jürgen W. ; Krieger, Dieter…”
Published 1999
Classmark: 3.2 HE 1Book