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Published: Opladen : Leske + Budrich, 2003.
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Published: Freiburg (Breisgau) : Ahriman-Verl, 1994.
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Published: Dortmund : Weltkreis, 1986.
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Published: New York : Shapolsky, 1987.
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Published: Viöl, Nordfriesland : Hutten, 1997.
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