000 00386nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aVon Braun J
245 _aImproving food security of the poor : concept, policy and programs
260 _c1992
_bIFPRI
_aWashington DC
366 _b1992
650 _aAgriculture
942 _cBK
999 _c74642
_d74642