000 00285nam a2200109Ia 4500
008 191031s9999 xx 000 0 und d
100 _aHEADY (Earlo)
245 0 _aAgriculture policy under economic developmet
260 _b"IOWA state uni press, USA"
260 _c1962
942 _cBK
999 _c214743
_d214743