TY  - BOOK
AU  - McLeod, J. H.
AU  - McGugan, B. M.
TI  - A review of the biological control attempts against insects and weeds in Canada
T2  - Technical communication
U1  - 632.96 
PY  - 1962///
CY  - Bucks, England
PB  - Commonwealth Agricultural Bureaux
KW  - Biología económica
KW  - Control biológico de insectos
KW  - Control biológico de plagas
KW  - Entomología económica
ER  -