2
published 2008
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3
published 2007
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4
published 2006
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6
published 2006
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7
8
published 2005
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9
published 2005
Kostenfrei, H ; aktuelle Ausg.
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10
published 2005
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11
published 2004
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H ; 2007/08-: Key data on education
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12
published 2004
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13
published 2004
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H ; 2006 -: Táblák etc.
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14
published 2004
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published 2004
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published 2004
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Kostenfrei, Verlag
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17
published 2001
Kostenfrei, Verlag
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18
published 1999
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19
published 1949
Kostenfrei, Verlag
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