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1.
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[Place of publication not identified] : [publisher not identified], 1981.
German | 29 DE |
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2.
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Köln : Heymann, 1981.
German | M 33 KUR.B |
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3.
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[Heidelberg, Germany] : [Springer], 1992.
English | 34 DE |
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4.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1996.
German | 29 DE |
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5.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1990.
German | 28 DE |
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6.
|
[Place of publication not identified] : [publisher not identified], 1991.
German | K 9221(121) DE 29 |
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7.
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[Place of publication not identified] : [publisher not identified], 1990.
German | 29 DE |
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8.
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[Place of publication not identified] : [publisher not identified], 1990.
German | 29 DE |
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9.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1994.
German | 28 DE |
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10.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1999.
German | K 35 DE 28 |
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