Pests pathogens and vegetation   the role of weeds and wild plants in the ecology of crop pests and diseases 
<label>;</label> Thresh, J.M. 
 - Boston  Pitman Advanced Publishing Program  1981 
 - x, 517p.  ill.  24 cm. 
 - Association of Applied Biologists .
<br/><br/><label>ISBN: </label>0273084984 
<br/><br/><label>Dewey Class. No.: </label>632.58  / PES