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Published: Frankfurt am Main : Haag + Herchen, 1992.
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8
Published: Tübingen : Hohenrain, 1999.
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11
Published: La Tour de l'Aigues : Ed. de l'Aube, 1996.
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13
Published: Göttingen : Lamuv-Verl, 1993.
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14
Published: Düsseldorf : IDA-NRW, 1999.
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16
Published: New York : Pitman Publ. Corporation, 1971.
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