Gram, E.  <br/><br/>
Recognition of diseases and pests of farm crops: in colour  (Book) 

 - 2nd. ed. 
 - London  Blandford Press  1969 
 - 128 p.  22 cm. 
<br/><br/><label>ISBN: </label>0713703911 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant diseases
<br/><br/><label>Universal Decimal Class. No.: </label>632.3.07 GRA  / 6100