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1.
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Geneva, Switzerland : International Bureau for the Protection of Industrial Property, 1983.
English | 10B OMPI |
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2.
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[Geneva, Switzerland] : [The International Union for the Protection of New Varieties of Plants (UPOV)], 1983.
English | 1 UPOV |
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3.
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Courbevoie [France] : Institut National de la Propriété Industrielle, 1983.
French | 10A OMPI |
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4.
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[Geneva, Switzerland] : [The International Union for the Protection of New Varieties of Plants (UPOV)], 1983.
English | 1 UPOV |
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