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1.
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München : Verlag C.H. Beck, 2011.
German | G 71 HAE.P |
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2.
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Basel : Helbing & Lichtenhahn, 1989.
Third edition.
German | F 13 TRO.K |
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3.
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Koln : Carl Heymannsverlag Kg, 2003.
German | G 25 NII.K |
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4.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | G 252 DE 29 |
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5.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | G 41 DE 28 |
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6.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1991.
German | G 41 DE 28 |
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7.
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München : C.H. Beck, 1991.
German | N 711 JOO.E |
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8.
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Köln : C. Heymanns, c1990.
German | F 13 FES |
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9.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | G 74 DE 28 |
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10.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | T 91 DE 28 |
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