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1.
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London : Whurr, c1993.
English | C 41 SCH.E |
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2.
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Bonn Et Al : Lutzeyer, 1958-
German | C 410 GRO.K |
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3.
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Luxembourg : Office for Official Publications of the European Communities, 1987.
English | C 410 DOC VOL 2 |
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4.
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Luxemburgo : Oficina de Publicaciones Oficiales de las Comunidades Europeas, 1987.
abreviada.
Spanish | C 410 TRA |
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5.
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Luxembourg : Office for Official Publications of the European Communities, 1987.
abridged.
English | C 410 TRE |
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6.
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Geneva [Switzerland] : Economic Commission For Africa (ECA), 1976.
English | E 2310F1750 WIPO.ECA/WIPO/DC |
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7.
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Luxembourg : European Communities, 1973.
English | C 419 TRE |
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