Amsden, R. C. <br/><br/>
Choosing a Knapsack sprayer 

<br/><br/> Sobretiro de : Tropical Stored Product. Ing. 6: 236-242, 1963 
<br/><br/><label>LCCN: </label>19652 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pulverizadores.