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1.
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Munchen : Beck, 1997.
German | K 810 FEZ.M |
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2.
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München : Beck, 2001.
German | K 810 FEZ.M (3) |
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3.
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München : Beck, 1999.
2., neubearb. Aufl.
German | K 810 FEZ.M(2) |
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4.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | 28 DE |
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