Effects on honeybees of spraying fruit trees with arsenicals /
McIndoo, N. E.
Effects on honeybees of spraying fruit trees with arsenicals / by N. E. McIndoo and G. S. Demuth - Washington : Department of Agriculture - 32 p. - EUA. Dep. of Agri. Bull.; 1364 .
204710
Arseniatos Abejas Insecticidas -- Efecto en abejas
Effects on honeybees of spraying fruit trees with arsenicals / by N. E. McIndoo and G. S. Demuth - Washington : Department of Agriculture - 32 p. - EUA. Dep. of Agri. Bull.; 1364 .
204710
Arseniatos Abejas Insecticidas -- Efecto en abejas