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1.
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Koeln Et Al : Heymann, 1993.
German | H 30 ECK.N |
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2.
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[New York City, New York] : [Clark Boardman Callaghan], [1993].
Italian | US 87 1993 |
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3.
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[New York City, New York] : [Clark Boardman Callaghan], [1991].
English | US 87 1991 |
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4.
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Basel : Helbing & Lichtenhahn, 1989.
Third edition.
German | F 13 TRO.K |
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5.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | 29 DE |
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6.
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Nomos-Verl.-Ges : Baden-Baden [Germany], 1992.
German | P 24(1) DE 24 |
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7.
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[Place of publication not identified] : [publisher not identified], 1991.
German | P 233(131) DE 29 |
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8.
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[Place of publication not identified] : [publisher not identified], 1992.
German | T 23(121:413) DE 29 |
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9.
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Köln : C. Heymanns, c1990.
German | F 13 FES |
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10.
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Weinheim : VCH Verlagsgesellschaft, c1991.
German | F 13 GEW |
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