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1.
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[Place of publication not identified] : [publisher not identified], 1978.
German | 28 CH |
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2.
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[Place of publication not identified] : [publisher not identified], 1975.
German | 28 CH |
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3.
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[Place of publication not identified] : [publisher not identified], 1976.
German | 28 CH |
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4.
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Agincourt, Ontario : Carswell Co., 1986.
English | 11 CA |
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5.
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Wien [Austria] : MAN'Sche Verlags- und Universitätsbuchhandlung GmbH, 1981.
German | 6 AT |
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