Home Publications & Data Book A proposal for creating an international institute for agricultural research and training to serve the lowland tropical regions of the Americas author(s) Roberts, LM published in1966 regions Bolivia Brazil Colombia Ecuador Mexico Peru Venezuela original file download full citation Roberts, Lewis M.; Hardin, Lowell S.. 1966. A proposal for creating an international institute for agricultural research and training to serve the lowland tropical regimes of the Americas [S.l. : s.n.] v.