5
by Hickethier, Knut
Published 1993
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6
by Hickethier, Knut
Published 1995
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9
by Hickethier, Knut
Published 1995
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10
by Hickethier, Knut
Published 1994
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13
16
by Hickethier, Knut
Published 1995
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Journal Articles
18
by Hickethier, Knut
Published 1996
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19
by Hickethier, Knut
Published 1996
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Journal Articles
20
by Hickethier, Knut
Published 1998
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Journal Articles