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1.
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Strasbourg : Ceipi, 1989-1990.
French | S 320 MON.P |
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2.
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Köln : Heymann, c1986.
German | S 320 MAS.S |
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3.
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London : Intellectual Property Pub., 1987.
English | S 320 CUR.P |
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4.
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[Heidelberg, Germany] : [Springer], 1989.
English | 34 DE |
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5.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1991.
English | 29 DE |
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6.
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[Place of publication not identified] : [publisher not identified], 1991.
German | 29 DE |
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