1
Book
2
Published: Frankfurt am Main : Röderberg, 1981
Book
3
Book
4
Published: Hamburg : Hoffmann und Campe, 1981
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5
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7
Published: Bern : Francke
Bern ; München
Berlin
Bern ; München
Berlin
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8
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9
10
11
Published: Stuttgart : Metzler, 1979
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12
Published: Gerlingen : Schneider, 1994
Book
13
Book
14
15
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16
Book
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18
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19
Book
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