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Hoboken, N.J. : Wiley, c2007.
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2.
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Geneva : World Intellectual Property Organization, 1992.
English | E 2314G170 WIPO.W(E) |
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3.
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Geneva, Switzerland : World Intellectual Property Organization, 1997.
Danish | W F6 493(E) |
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4.
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Geneva : World Intellectual Property Organization, 1995.
English | E 2314G11 WIPO.W |
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5.
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München : K.G. Saur, [1989] Third edition.
English | G 170 COM.P |
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6.
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Berkeley, Ca. : Nolo, 2000. Second edition.
English | G 170 HIT.P(2) |
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