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Geneva, Switzerland : International Union for the Protection of New Varieties of Plants (UPOV), 1991.
English | E 241S21 UPOV.TSU |
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2.
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Geneva, Switzerland : International Union for the Protection of New Varieties of Plants (UPOV), 1992]
English | E 241S21 UPOV.S |
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3.
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London [England] : Sweet & Maxwell, 2003. Fifth edition.
English | F 13 COR.I(5) |
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4.
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London : Sweet & Maxwell, 1999. Fourth edition.
English | F 13 COR.I(4) |
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[Place of publication not identified] : [publisher not identified], 2008.
English | IN 4 January 2008 Vol 13 No 1 |
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6.
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London : Sweet & Maxwell, 1996. Third edition.
English | F 13 COR.I(3) |
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7.
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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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8.
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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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9.
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London, England : Sweet & Maxwell, 2002.
English | S 51 GB 10 |
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