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Weinheim : Wiley-VCH, c1999.
German | S 42 WUE.H |
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Geneva, Switzerland : International Union for the Protection of New Varieties of Plants (UPOV), 1993.
English | E 241S21 UPOV.R |
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4.
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Christchurch, N.Z. : Eubios Ethics Institute, c1991.
English | G 11 LES.E |
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5.
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Geneva, Switzerland : International Union for the Protection of New Varieties of Plants (UPOV), 1991.
English | E 241S21 UPOV.S |
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6.
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Geneva : Upov, 1987.
English | E 241S320 UPOV.F |
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7.
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Geneva : Upov, 1984.
English | E 2414S21 UPOV.N(A) |
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8.
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Geneva : Ciopora, 1988.
English | S 92 CIOPORA.C |
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9.
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Penang, Malaysia : Third World Network, 1992. First english edition.
English | G 26 QUE.G |
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10.
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New York : Kluwer Law International, c2002.
English | G 260 CAN.P |
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