Hartman, Henry <br/><br/>
The removal of spray residue from apples and pears  / 
Henry Hartman, R. H. Robinson, and S. M. Zeller 
 - Corvallis  :   Oregon State Agricultural College 
 - 38 p. 
 - Oregon. Agr. Exp. Sta. Bull.; 234 .
<br/><br/><label>LCCN: </label>203159 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pesticidas -- Resíduos  Manzana  Pera