00877nam0-22002891i-450 99000168248040332120191011082734.0000168248FED01000168248(Aleph)000168248FED0100016824820030910d1976----km-y0itay50------baengy p 001yyFood crops in the low-income countriesthe state of present expected agricultural research and technologyRalph W. CummingsNew YorkThe Rockefeller Foundation1976103 p.25 cmColture agrarie633Cummings,Ralph W.72502ITUNINARICAUNIMARCLG99000168248040332160 LG 7746380FAGBCFAGBCFood crops in the low-income countries371656UNINA