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1.
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Köln : Heymann, 1979.
German | K 710 KNA.R |
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2.
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Weinheim : Vch Verlagsgesellschaft, 1986.
German | M 310 KNA.D |
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3.
|
[Place of publication not identified] : [publisher not identified], 1993.
German | 29 DE |
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4.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1993.
German | 29 DE |
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5.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1995.
German | 29 DE |
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6.
|
[Place of publication not identified] : [publisher not identified], 1992.
German | M 234(13) DE 29 |
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7.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1995.
German | 28 DE |
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8.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1982.
German | 28 DE |
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9.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1988.
German | 29 DE |
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10.
|
Bonn : Edition Zaw (Zentralausschuss Der Werbewirtschaft), 1990.
German | M 341 SCH.E |
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