Schumann, Gail L. <br/><br/>
Plant diseases  their biology and social impact 

 - Lucknow  International Book Distributing  1991 
 - viii,397p.  24cm 
<br/><br/><label>ISBN: </label>8185860076 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diseases<br/>Plant injuries, diseases, Pests
<br/><br/><label>Dewey Class. No.: </label>632.3  / SCH