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1.
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[Place of publication not identified] : [Max-Planck-Institut für ausländisches und internationales Patent-, Urheber- und Wettbewerbsrecht], 1974.
German | R 26 AHR.V |
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2.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1997.
German | 29 DE |
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3.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1995.
German | 28 DE |
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4.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1991.
German | 28 DE |
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