Plant Variety Protection Act Amendments: Hearings Before the Subcommittee on Department Investigations Oversight, and Research of the Committee on Agriculture, House of Representatives, Ninety-sixth Congress, First and Second Sessions, on H.R. 999, July 19, 1979, and April 22, 1980
United States. Congress. House. Committee on Agriculture. Subcommittee on Department Investigations, Oversight, and Research
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