French, O.  C <br/><br/>
Spraying equipment for pest control  / 
O. C. French 
 - Berkeley, Cal.  :   Agricultural Experiment Station 
 - 42 p. 
 - California. Agric. Exp. Sta. Bull.; 666 .
<br/><br/><label>LCCN: </label>202188 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aspersores  Control de plagas