Wheeler B E J ` <br/><br/>
Diseases in crops 

 - London  Edward Arnold          1976 
 - 59p.  cm. 
 - Studies in biology; 64 .
<br/><br/><label>Standard No.: </label>51966 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Plant disease<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:4, L6