. . . . . "Ice-minus a case study of EPA's review of genetically engineered microbial pesticides : hearing before the Subcommittee on Investigations and Oversight of the Committee on Science and Technology, House of Representatives, Ninety-ninth Congress, second session, March 4, 1986"@en . . . . . . . . . . . . "Ice-minus : a case study of EPA's review of genetically engineered microbial pesticides : hearing before the Subcommittee on Investigations and Oversight of the Committee on Science and Technology, House of Representatives, Ninety-ninth Congress, second session, March 4, 1986"@en . . . . . . . "United States. Environmental Protection Agency." . .