Campbell, Keith O. <br/><br/>
Food for the future: how agriculture can meet the challenge 
by Keith O. Campbell 
 - Lincoln  University of Nebraska Press  1979 
 - 178p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture - Economic aspects<br/>Food supply
<br/><br/><label>Dewey Class. No.: </label>Z2 C152