MacGillivray, M. E. <br/><br/>
Aphids infesting potatoes in Canadá  : a field guide 

 - Ottawa :  Minister of Supply and Services,  1979 
 - 23 p.  : ilus 
 - Canada. Minister of Supply and Services. Publication  ; 1676 .
 - Canada. Minister of Supply and Services. Publication  ; 1676 .
<br/><br/><label>LCCN: </label>6835 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Afídidos.<br/>Papa--Canadá.<br/>Papa--Plagas.