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1
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2
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3
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4Published: Köln | DuMont ; Schauberg | 1961Book
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5Published: Berlin | Duncker & Humblot | 1993Book
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6Published: Bologna ; Berlin | Società editrice il Mulino ; Duncker & Humblot | 1991Book
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7Published: Konstanz | UVK, Univ.-Verl. Konstanz | 1993Book