E.U.A. Agricultural Research Service creator text periodical survey of literature us Washinton,DC Agricultural Research Service 1953- 1953 continuing 10 numeros anuales Mensual eng v. by Agricultural Research Service. Vols. para ene./feb.-nov. 1953 editados por: Agricultural Research Administration; dic. 1953-<sept. 1976> por: Agricultural Research Service; <jun. 1979>-jun. 1981 por: Science and Education Administration; jul. 1981- por: Agricultural Research Service Vols. 1 (1953) - 3 (1955). 1 vol.; vols. 7 (1958) -9 (1961) 1 vol. Agricultura Investigación E.U.A 0002-161X 77241 CHAP 990311 20220810123535.0 000080244