Heald, Fredrick Deforest <br/><br/>
Manual of plant diseases 

 - New Delhi  Eurasia Publishing  1963 
 - xii, 953 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  Agriculture<br/>  Plants<br/>  Plant, diseases<br/>Virus diseases of plants--Diagnosis
<br/><br/><label>Dewey Class. No.: </label>632  / H434m 1963