Proposed amendments to the Plant Variety Protection Act : hearing before the Subcommittee on Department Operations, Research, and Foreign Agriculture of the Committee on Agriculture, House of Representatives, One Hundred First Congress, second session, May 1, 1990.
United States.Congress.House.Committee on Agriculture.Subcommittee on Department Operations, Research, and Foreign Agriculture.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O.,
1991.
"Serial no. 101-55."
Plant varieties
Plant varieties