Search Results for the EPA National Library Catalog

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Your Search: (SUBJECT=Biologischer Pflanzenschutz.)

 
 
 

Select Item Title Year Published
New directions in biological control : alternatives for suppressing agricultural pests and diseases : proceedings of a UCLA colloquium, held at Frisco, Colorado, January 20-27, 1989 / 1990
Nontarget effects of biological control / 2000

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