Iowa state university center for agricultural and economic development, Iowa <br/><br/>
Alternatives for balacing world Food production and needs 

 - Ames  Iowa state university press  1967 
 - viii,273p.; 22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural progress<br/>food productivity<br/>food supply<br/>World food production<br/>World food\population problem