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Published: Frankfurt am Main : Haag + Herchen, 1992.
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Published: Hamburg : Spiegel-Verl, 1981
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9
Published: Bornheim-Merten : Lamuv-Verl, 1980
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10
Published: Göttingen : Lamuv-Verl, 1993.
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Published: Düsseldorf : IDA-NRW, 1999.
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Published: Marburg : Schüren, 1993.
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