1
Book
2
Published: Frankfurt am Main : Röderberg, 1981
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3
Book
4
Published: Hamburg : Hoffmann und Campe, 1981
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5
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10
Published: Bern ; München : Francke
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11
Published: Bern : Francke
Bern ; München
Berlin
Bern ; München
Berlin
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15
16
17
18
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20
Published: Stuttgart : Metzler, 1979
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