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By: United States. Agricultural Research Service.Edition:Publication info: [Washington, U.S. Govt. Print. Off.], 1967Volume: no.81-18Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Agricultural Research Service Insect pests Plant Pest Control Division Policies and programs United StatesBHL Collections:
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By: United States. Plant Pest Control Division. - United States. Agricultural Research Service.Edition:Publication info: [Washington], U.S. Dept. of Agriculture, Agricultural Research Service, [1971]Volume: no.81-42Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Botany Control Law and legislation Pesticides Pests Plant Pest Control Division Plant Science and Plant Products United StatesBHL Collections: