TY - BK AU - El Obeid,A.E. AU - Jensen,H.H. AU - Johnson,S.R. AU - Smith,L.C. ED - Proceedings from the Symposium Honoring the Tenth Anniversary of the World Food Prize TI - Food security: New solutions for the twenty-first century SN - 0-8138-2910-0 U1 - 338.19 PY - 1999/// CY - Iowa, IA (USA) PB - Iowa State University, ER -