1.
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Genève, Switzerland : Organización Mundial de la Propiedad Intelectual, 1992.
Spanish | 10.34667/tind.40326 |
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2.
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Genève, Switzerland : Organisation Mondiale de la Propriété Intellectuelle, 1992.
French | 10.34667/tind.40327 |
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3.
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Geneva : World Intellectual Property Organization, 1992.
English | 10.34667/tind.40325 |
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4.
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Geneva : World Intellectual Property Organization, 1990. Fifth edition.
Multiple languages |
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