Debach(P) <br/><br/>
Biological control of insect pests and weeds 

 -  1964  Chapman & Hall,London 
 - 842  0  Paper 
<br/><br/> Hard Binding 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological control
<br/><br/><label>Dewey Class. No.: </label>K86:4:55     K4