1
Burkhardt, G.
1998
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Burkhardt, G.
1994
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3
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4
Burkhardt, G.
1992
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Burkhardt, G.
1990
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6
Esser, U.
1989
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Esser, U.
1988
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Esser, U.
1988
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Böhme, S.
1987
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10
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