Agricultural research - E.U.A. Agricultural Research Service (Washinton,DC : Agricultural Research Service, 1953)
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.
BATCH-UPD
BATCH-UPD
BATCH-UPD
CONVERSION
Keywords: Agricultura -- Investigación -- E.U.A.