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1.
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Geneva, Switzerland : Organisation Mondiale de la Propriété Intellectuelle, 1997.
French | E 224:417(F) |
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2.
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Oxford : Published by ESC for the Commission of the European Communities, Cultural Sector, 1986.
Second edition.
English | P 221 DAV.P(2) |
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3.
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Paris : UNESCO, 1975.
English | 10.34667/tind.28806 |
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4.
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Ottawa : Consommation et Corporations Canada, 1980.
French | N 711 KEO.A |
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5.
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Hamden, Conn. : Archon Books, 1976.
English | N 634 SUT.G |
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