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1.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1979.
German | 29 DE |
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2.
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Madrid : Montecorvo, 1977.
Spanish | H 110 OTE.M |
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3.
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Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1972.
German | 29 DE |
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4.
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[Place of publication not identified] : [publisher not identified], 1992.
German | M 310(133) DE 29 |
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5.
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[Place of publication not identified] : [publisher not identified], 1987.
German | 29 DE |
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6.
|
[Place of publication not identified] : [publisher not identified], 1977.
German | 29 DE |
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