1
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2
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3
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1999
4
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1999
...Fakten und Bewertungen / Schweizerischer Wissenschaftsrat ;...
5
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1999
...Fakten und Bewertungen / Schweizerischer Wissenschaftsrat ;...
6
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...Fakten und Bewertungen / Schweizerischer Wissenschaftsrat ;...
7
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1998
8
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9
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10
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1986
11
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12
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1981
13
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14
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15
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16
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17
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18
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19
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20
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