Chemicals and food crops : hearing before the Subcommittee on Toxic Substances, Environmental Oversight, Research and Development of the Committee on Environment and Public Works, United States Senate, One Hundred First Congress, first session, May 15, 1989
U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O.,
|Series:||S. hrg. ;
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