Delgado, Christopher Livestock to 2020 : the next food revolution / Christopher Delgado...[et al.] - Washington, D.C. : International Food Policy Research Institute ; 1999 - viii, 72 p. : ill. ; 28 cm. - Food, agriculture, and the environment discussion paper ; 28 . 'May 1999.' Includes bibliographical references (p. 67-72). ISBN: 0896296326 Subjects--Topical Terms: Root crops--Research--International cooperation.Tuber crops--Research--International cooperation.Food supply--Research--Developing countries. LC Class. No.: SB209 / .S36 2000