1
2
3
4
5
Published: Köln [u.a.] : Heymann, 1956.
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6
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7
Published: Heidelberg : Verl.-Ges. "Recht und Wirtschaft", 1949.
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8
Book
9
10
Published: Gerlingen : Bleicher, 1990.
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11
12
Published: Baden-Baden : Nomos-Verl.-Ges, 1998.
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15
16
17
18
Published: Hamburg [u.a.] : Unrast, 1999.
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19