1
Published: Göttingen : Wallstein, 2002
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2
Published: Leipzig [u.a.] : Klett, 1994
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3
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4
Published: Frankfurt am Main : Diesterweg, 1998
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5
Published: München : Bayerischer Schulbuch-Verl, 1997
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6
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7
Published: Berlin : Cornelsen, 1997
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8
Published: Berlin : Cornelsen, 2000
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9
10
Published: Berlin : Cornelsen, 1996
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11
Published: Hannover : Schroedel, 2001
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12
Published: Paderborn : Schöningh, 1998
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13
Published: Paderborn : Schöningh, 1999
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14
Published: Berlin : Cornelsen, 1994
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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
Published: Troisdorf : Euro-Print, 1999
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20
Published: Paderborn : Schöningh, 1994
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