Firman E. Bear <br/><br/>
Hunger signs in crops :  A symposium 

 - Rev Edition 
 - Washington  American Society of Agronomy  1951 
 - 390p 
<br/><br/>Firman E. Bear; H .A. Jones; B. E. Brown; Wesley P. Judkins; A. F. Camp & B. A. Krantz: Hunger signs in crops :  A symposium.  (Rev Edition)  Washington.  American Society of Agronomy, 1951.--(581.1BEA)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>581.1  / ASA