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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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[Place of publication not identified] : [publisher not identified], 1992.
English | 20 JP |
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London, England : Sweet & Maxwell, 1991.
English | View e-resource | Available Online | 10 GB |
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Geneva, Switzerland : International Union for the Protection of New Varieties of Plants (UPOV), 1994.
English |
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