A review of the biological control attempts against insects and weeds in Canada
McLeod, J. H.
A review of the biological control attempts against insects and weeds in Canada - Bucks, England : Commonwealth Agricultural Bureaux, 1962 - 216 p. : ilus - Technical communication ; 2 . - Technical communication ; 2 .
29100
Biología económica.
Control biológico de insectos.
Control biológico de plagas.
Entomología económica.
632.96 / M25
A review of the biological control attempts against insects and weeds in Canada - Bucks, England : Commonwealth Agricultural Bureaux, 1962 - 216 p. : ilus - Technical communication ; 2 . - Technical communication ; 2 .
29100
Biología económica.
Control biológico de insectos.
Control biológico de plagas.
Entomología económica.
632.96 / M25