Bonn, W.G. <br/><br/>
Blister spot of apples  / 
by W.G. Bonn and P. Fisher 
 - Ontario, Canada  :   Ministry of Agriculture and Food 
 - 2 p. 
<br/><br/><label>LCCN: </label>198995 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manzana