000 00617nam a2200181Ia 4500
008 160601s9999 xx 000 0 und d
100 _aIowa state university center for agricultural and economic development, Iowa
_921608
245 _aAlternatives for balacing world Food production and needs
260 _aAmes
260 _bIowa state university press
260 _c1967
300 _aviii,273p.; 22cm.
650 _aAgricultural progress
_910819
650 _afood productivity
_921610
650 _afood supply
_9932
650 _aWorld food production
_921611
650 _aWorld food\population problem
_921612
999 _c7089
_d7089