Otake, Akio. <br/><br/>
Studies on aphid populations / 
by Akio Otake. 
 - Takada, Japan :  Hokuriku Regional Agricultural Experiment Station,  1966. 
 - v, 108 p. : ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aphidiidae.<br/>Pests.