Yazar
alex w l hawley
2 cilt bulundu.
Cilt sonuçları
Commercialization and wildlife management
Alex W. L. Hawley · Krieger
124 sayfa · 1993
Moral and ethical aspects / Animaux / Populations / Wildlife management / Aspect moral
Effects of the exposure of birds to insecticides used for grasshopper control in Alberta
Alex W. L. Hawley, J. D. Somers · Alberta Environmental Centre
69 sayfa · 1988
Birds / Effect of insecticides on / Insecticides / Toxicology / Grasshoppers