Sanderson, E. Dwight <br/><br/>
The apple leaf-aphis  / 
E. Dwight Sanderson 
 - Durham, N. H.  :   N. H. Agricultural Experiment Station 
 - 6 p. 
 - New Hampshire Agr. Exp. Sta. Circular; 3 .
<br/><br/><label>LCCN: </label>202463 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aphis pomi  Manzana -- Plagas