00843nam0-22002651i-450 99000172808040332120190417111520.0000172808FED01000172808(Aleph)000172808FED0100017280820030910d1987----km-y0itay50------baengAgricultural research for a better tomorrowcommemorating the Hatch Act Centennial1887-1987US Department of Agriculture.WashingtonUS Department of Agriculture1987XXVIII, 196 p.23 cmSperimentazione agraria630.724ITUNINARICAUNIMARCBK99000172808040332160 630.724 USDA 1987861FAGBCFAGBCAGRICULTURAL research for a better tomorrow360152UNINA