Dale Walters 
Disease Control in Crops : Biological and Environmentally Friendly Approaches 
 - Oxford  Blackwell Publishing Limited  2009 
 - 266p 
Dale Walters: Disease Control in Crops : Biological and Environmentally Friendly Approaches.  Oxford.  Blackwell Publishing Limited, 2009. 1-4051-6947-9--(632.96WAL)   
ENGLISH 
1-4051-6947-9 
632.96  / WAL