Conner, J. T <br/><br/>
DDT  / 
J. T. Conner 
 - Raleigh, Nort Carolina  :   Agricultural Extension Service 
 - 11 p. 
 - Carolina Agr. Exp. Sta. Extensión Circular; 291 .
<br/><br/><label>LCCN: </label>202562 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DDT (Insecticida)  Insecticidas