Gaumann, E.  <br/><br/>
Principles of plant infection: a text-book of general plant pathology for biologists, agriculturists, foresters and plant breeders  (Book) 

 - London  Crosby Lockwood  1950 
 - 543 p.  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant diseases
<br/><br/><label>Universal Decimal Class. No.: </label>632 GAU  / 5359