Robinson, R. H. <br/><br/>
The removal of lead and arsenic spray residues from apples and pears  / 
R. H. Robinson, and M. B. Hatch 
 - Corvallis  :   Oregon State Agr. College 
 - 14 p. 
 - Oregon Agr. Exp. Sta. Bull.; 317 .
<br/><br/><label>LCCN: </label>203160 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pesticidas -- Resíduos  Manzana  Pera