Conway, Gordon. et al creator Wilson, Katy. Conway, Gordon. text Ithaca, N.Y Comstock Pub. Associates/Cornell University Press 2012 monographic xvii, 439, [9] p. : ill, maps. "Published with the support of Agriculture for Impact, Imperial College, London." Agricultural innovations Green Revolution Food supply Food security http://site.ebrary.com/lib/rucke/Doc?id=10614251 http://site.ebrary.com/lib/rucke/Doc?id=10614251