McLeod, J. H. <br/><br/>
A review of the biological control attempts against insects and weeds in Canada 

 - Bucks, England :  Commonwealth Agricultural Bureaux,  1962 
 - 216 p.  : ilus 
 - Technical communication  ; 2 .
 - Technical communication  ; 2 .
<br/><br/><label>LCCN: </label>29100 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biología económica.<br/>Control biológico de insectos.<br/>Control biológico de plagas.<br/>Entomología económica.
<br/><br/><label>Dewey Class. No.: </label>632.96  / M25