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Published: New York : Praeger, 1991
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Published: Hannover : Nieders. Min. f. Bundes- und Europaangelegenheiten, 1993
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Published: Wien : Löcker, [ca. 1986]
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Published: Frankfurt a. M. u. a. : Büchergilde Gutenberg, 1973
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Published: Opladen : Leske + Budrich, 1995.
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