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1.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1980.
German | 28 DE |
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2.
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[Place of publication not identified] : [publisher not identified], 1983.
German | 29 DE |
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3.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1977.
German | 28 DE |
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4.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1990.
German | 29 DE |
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5.
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[Place of publication not identified] : [publisher not identified], 1979.
German | 29 DE |
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6.
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Hamburg [Germany] : Film-Telegramm-Informationsdienst, 1986.
German | 24 DE |
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7.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1979.
German | 28 DE |
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8.
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[Heidelberg, Germany] : [Springer], 1973.
English | 34 DE |
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9.
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[Place of publication not identified] : [publisher not identified], 1984.
German | 29 DE |
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10.
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[Geneva, Switzerland] : [World Intellectual Property Organization], 1971.
German | 29 DE |
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