na INLIS000000000012214 Ind 0010-1118012214 Roots and tubers for the 21st century: trends, projections, and policy options SCOTT, G.J. Gregory J. Scott; Mark W. Rosegrant; Claudia Ringler Washington, D.C. IFPRI 2000 viii, 64 p. : ill. ; 29 cm.-- viii, 64 p. : ill. ; 29 cm.-- Sr. Bibl.: p. 54-64 633.4 ROOT CROPS TUBERS 129/MS/2001-mfn14003 129/MS/2001-mfn35029