1
2
Published: Essen : Klartext-Verl, 1990.
Book
3
Published: Opladen : Leske + Budrich, 1993
Book
4
Published: Frankfurt [Main] : Materialis-Verl, 1993.
Book
5
Published: Hannover : Hahn, 1995
Book
6
7
8
9
Published: Berlin : Aufbau-Taschenbuch-Verlag, 1992.
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10
11