Kliff, David. <br/><br/>
The quite revolutionaries: a look at the campaign by agricultural scientist to fight hunger and how much the neglected could help. 

 - Washigton :  World bank,  1993. 
<br/><br/> The essay is about how scientists try to find ways about how to feed the world's hungry. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hunger.<br/>Root crops -- Drought.--Root crops -- Drought.