TY  - BOOK
AU  - "McGuffin, W. C. ;"
TI  - Giude to the Geometridae of Canada (Lepidoptera) II. Subfamily Ennominae. 4
U1  - 595.78(71) M7 
PB  - "Entomological society of Canada, 1987"
KW  - Entomology
ER  -