Ordish, George <br/><br/>
Biological methods in crop pest control  an introductory study 

 - London  Constable  1967 
 - 242 p.  illus., 13 plates (incl. ports.), 11 tables, 3 diagrs  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pests--Control--Biological control
<br/><br/><label>Dewey Class. No.: </label>632  / .96