Smil, Vaclav <br/><br/>
Feeding the world: a challenge for the twenty-first century 
by Vaclav Smil 
 - Cambridge  MIT Press  2000 
 - 360p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Food supply<br/>Agricultural productivity
<br/><br/><label>Dewey Class. No.: </label>Z1 Sm42