Harlan Jack R <br/><br/>
Crops and man 
Harlan Jack R 
 - Madison  American Society of Agronomy        1975 
 - xii, 295p.  cm. 
 - Foundation for modern crop science seires .
<br/><br/><label>Standard No.: </label>51318 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J0aY, L5