Frear, Donald E. H. <br/><br/>
Deposition and retention of sprays on apples II  / 
Donald E. H. Frear, Harlan N. Worthley 
 - Pennsylvania  :   Agricultural Experiment Station 
 - 22 p. 
 - Pennsylvania Agr. Exp. Sta. Bull; 400 .
<br/><br/><label>LCCN: </label>203062 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aspersión -- Efecto en árboles frutales