Houghton, C.O. <br/><br/>
Some experiences with insecticides for the San Jose Scale  / 
by C.O. Houghton 
 - Newark, Del. :   Agricultural Experiment Station 
 - 16 p. 
 - Hemiptera; 14 .
<br/><br/> Encuadernado con otros impresos similares 
<br/><br/><label>LCCN: </label>206997 
<br/><br/><label>Subjects--Topical Terms: </label><br/>-- Hemípteros -- colecciones de escritos -- Aspidiotus
<br/><br/><label>Dewey Class. No.: </label>PA-C 595.75 H4