Shapley, D <br/><br/>
Crops and Climatic Change: USDA's Forecasts Criticized.  [electronic resource] 

 -  Science (New York, N.Y.)  Sep 1976 
 - 1222-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.193.4259.1222  doi