TY  - BOOK
AU  - MacGillivray, M. E.
TI  - Aphids infesting potatoes in Canadá: : a field guide
T2  - Canada. Minister of Supply and Services. Publication
PY  - 1979///
CY  - Ottawa
PB  - Minister of Supply and Services
KW  - Afídidos
KW  - Papa
KW  - Canadá
KW  - Plagas
ER  -