Webster, R <br/><br/>
The codling-moth in Iowa  / 
by R. L. Webster 
 - Iowa  :   Agricultural Experiment Station 
 - 35 p. 
 - Iowa. Agri. Exp. Sta., Bull.; 147 .
<br/><br/><label>LCCN: </label>202052 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Carpocapsa pomonella