Gail L. Schumann <br/><br/>
Plant diseases : Their biology and social impact 

 - Lucknow  International Book Distributing Co  1991 
 - 397p 
<br/><br/>Gail L. Schumann: Plant diseases : Their biology and social impact.  Lucknow.  International Book Distributing Co, 1991. 81-85860-07-6--(632.3SCH)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>81-85860-07-6 
<br/><br/><label>Dewey Class. No.: </label>632.3  / SCH