Pesticides microform : USDA's pesticides residue research project : statement of John W. Harman, director, Food and Agriculture Issues, Resources, Community, and Economic Development Division, before the Subcommittee on Department Operations, Research, and Foreign Agriculture, House of Representatives / United States General Accounting Office (Testimony ; GAO/T-RCED-92-38)
Pesticides microform : USDA's pesticides residue research project : statement of John W. Harman, director, Food and Agriculture Issues, Resources, Community, and Economic Development Division, before the Subcommittee on Department Operations, Research, and Foreign Agriculture, House of Representatives / United States General Accounting Office